Home / 40,685.53-56,139.27-25,567.45

Finding the Fourth Proportional to 40,685.53, 56,139.27 and 25,567.45

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Solution

The fourth proportional to 40,685.53, 56,139.27 and 25,567.45 is: 35,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.53 : 56,139.27 = 25,567.45 : x
  2. Step 2: Convert to fraction form
    40,685.53/56,139.27 = 25,567.45/x
  3. Step 3: Cross multiply
    40,685.53x = 56,139.27 × 25,567.45
  4. Step 4: Simplify right side
    40,685.53x = 1,435,337,978.76
  5. Step 5: Solve for x
    x = 1,435,337,978.76/40,685.53
  6. Step 6: Final answer
    x = 35,278.83

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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.