Home / 54,549.26-75,279-31,890.18

Finding the Fourth Proportional to 54,549.26, 75,279 and 31,890.18

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Solution

The fourth proportional to 54,549.26, 75,279 and 31,890.18 is: 44,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.26 : 75,279 = 31,890.18 : x
  2. Step 2: Convert to fraction form
    54,549.26/75,279 = 31,890.18/x
  3. Step 3: Cross multiply
    54,549.26x = 75,279 × 31,890.18
  4. Step 4: Simplify right side
    54,549.26x = 2,400,660,860.22
  5. Step 5: Solve for x
    x = 2,400,660,860.22/54,549.26
  6. Step 6: Final answer
    x = 44,009.05

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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.