Home / 40,756.60-61,132.38-14,457.88

Finding the Fourth Proportional to 40,756.60, 61,132.38 and 14,457.88

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Solution

The fourth proportional to 40,756.60, 61,132.38 and 14,457.88 is: 21,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,756.60 : 61,132.38 = 14,457.88 : x
  2. Step 2: Convert to fraction form
    40,756.60/61,132.38 = 14,457.88/x
  3. Step 3: Cross multiply
    40,756.60x = 61,132.38 × 14,457.88
  4. Step 4: Simplify right side
    40,756.60x = 883,844,614.15
  5. Step 5: Solve for x
    x = 883,844,614.15/40,756.60
  6. Step 6: Final answer
    x = 21,685.93

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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.