Home / 54,426.90-75,120.18-31,457.70

Finding the Fourth Proportional to 54,426.90, 75,120.18 and 31,457.70

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Solution

The fourth proportional to 54,426.90, 75,120.18 and 31,457.70 is: 43,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,426.90 : 75,120.18 = 31,457.70 : x
  2. Step 2: Convert to fraction form
    54,426.90/75,120.18 = 31,457.70/x
  3. Step 3: Cross multiply
    54,426.90x = 75,120.18 × 31,457.70
  4. Step 4: Simplify right side
    54,426.90x = 2,363,107,929.10
  5. Step 5: Solve for x
    x = 2,363,107,929.10/54,426.90
  6. Step 6: Final answer
    x = 43,418.01

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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.