Home / 55,542.13-76,568.40-39,598.90

Finding the Fourth Proportional to 55,542.13, 76,568.40 and 39,598.90

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Solution

The fourth proportional to 55,542.13, 76,568.40 and 39,598.90 is: 54,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.13 : 76,568.40 = 39,598.90 : x
  2. Step 2: Convert to fraction form
    55,542.13/76,568.40 = 39,598.90/x
  3. Step 3: Cross multiply
    55,542.13x = 76,568.40 × 39,598.90
  4. Step 4: Simplify right side
    55,542.13x = 3,032,024,414.76
  5. Step 5: Solve for x
    x = 3,032,024,414.76/55,542.13
  6. Step 6: Final answer
    x = 54,589.63

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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.