Home / 40,686.55-56,109.98-27,917.21

Finding the Fourth Proportional to 40,686.55, 56,109.98 and 27,917.21

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Solution

The fourth proportional to 40,686.55, 56,109.98 and 27,917.21 is: 38,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.55 : 56,109.98 = 27,917.21 : x
  2. Step 2: Convert to fraction form
    40,686.55/56,109.98 = 27,917.21/x
  3. Step 3: Cross multiply
    40,686.55x = 56,109.98 × 27,917.21
  4. Step 4: Simplify right side
    40,686.55x = 1,566,433,989.21
  5. Step 5: Solve for x
    x = 1,566,433,989.21/40,686.55
  6. Step 6: Final answer
    x = 38,500.04

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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.