Home / 54,130.57-74,701.53-30,261.22

Finding the Fourth Proportional to 54,130.57, 74,701.53 and 30,261.22

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Solution

The fourth proportional to 54,130.57, 74,701.53 and 30,261.22 is: 41,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.57 : 74,701.53 = 30,261.22 : x
  2. Step 2: Convert to fraction form
    54,130.57/74,701.53 = 30,261.22/x
  3. Step 3: Cross multiply
    54,130.57x = 74,701.53 × 30,261.22
  4. Step 4: Simplify right side
    54,130.57x = 2,260,559,433.67
  5. Step 5: Solve for x
    x = 2,260,559,433.67/54,130.57
  6. Step 6: Final answer
    x = 41,761.23

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Half scale
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Double scale
Find fourth proportional to 54,131.57, 74,702.91 and 30,262.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.