Home / 54,005.48-74,526.02-30,131.64

Finding the Fourth Proportional to 54,005.48, 74,526.02 and 30,131.64

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Solution

The fourth proportional to 54,005.48, 74,526.02 and 30,131.64 is: 41,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.48 : 74,526.02 = 30,131.64 : x
  2. Step 2: Convert to fraction form
    54,005.48/74,526.02 = 30,131.64/x
  3. Step 3: Cross multiply
    54,005.48x = 74,526.02 × 30,131.64
  4. Step 4: Simplify right side
    54,005.48x = 2,245,591,240.93
  5. Step 5: Solve for x
    x = 2,245,591,240.93/54,005.48
  6. Step 6: Final answer
    x = 41,580.80

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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.