Home / 40,711.77-61,071.51-12,632.13

Finding the Fourth Proportional to 40,711.77, 61,071.51 and 12,632.13

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Solution

The fourth proportional to 40,711.77, 61,071.51 and 12,632.13 is: 18,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.77 : 61,071.51 = 12,632.13 : x
  2. Step 2: Convert to fraction form
    40,711.77/61,071.51 = 12,632.13/x
  3. Step 3: Cross multiply
    40,711.77x = 61,071.51 × 12,632.13
  4. Step 4: Simplify right side
    40,711.77x = 771,463,253.62
  5. Step 5: Solve for x
    x = 771,463,253.62/40,711.77
  6. Step 6: Final answer
    x = 18,949.39

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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.