Home / 54,182.28-74,777.17-31,212.90

Finding the Fourth Proportional to 54,182.28, 74,777.17 and 31,212.90

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Solution

The fourth proportional to 54,182.28, 74,777.17 and 31,212.90 is: 43,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.28 : 74,777.17 = 31,212.90 : x
  2. Step 2: Convert to fraction form
    54,182.28/74,777.17 = 31,212.90/x
  3. Step 3: Cross multiply
    54,182.28x = 74,777.17 × 31,212.90
  4. Step 4: Simplify right side
    54,182.28x = 2,334,012,329.49
  5. Step 5: Solve for x
    x = 2,334,012,329.49/54,182.28
  6. Step 6: Final answer
    x = 43,077.04

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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.