Home / 54,781.22-75,598.10-29,630.72

Finding the Fourth Proportional to 54,781.22, 75,598.10 and 29,630.72

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Solution

The fourth proportional to 54,781.22, 75,598.10 and 29,630.72 is: 40,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.22 : 75,598.10 = 29,630.72 : x
  2. Step 2: Convert to fraction form
    54,781.22/75,598.10 = 29,630.72/x
  3. Step 3: Cross multiply
    54,781.22x = 75,598.10 × 29,630.72
  4. Step 4: Simplify right side
    54,781.22x = 2,240,025,607.49
  5. Step 5: Solve for x
    x = 2,240,025,607.49/54,781.22
  6. Step 6: Final answer
    x = 40,890.40

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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.