Home / 40,494.28-60,740.98-13,840.01

Finding the Fourth Proportional to 40,494.28, 60,740.98 and 13,840.01

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Solution

The fourth proportional to 40,494.28, 60,740.98 and 13,840.01 is: 20,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,494.28 : 60,740.98 = 13,840.01 : x
  2. Step 2: Convert to fraction form
    40,494.28/60,740.98 = 13,840.01/x
  3. Step 3: Cross multiply
    40,494.28x = 60,740.98 × 13,840.01
  4. Step 4: Simplify right side
    40,494.28x = 840,655,887.86
  5. Step 5: Solve for x
    x = 840,655,887.86/40,494.28
  6. Step 6: Final answer
    x = 20,759.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.