Home / 40,397.08-60,588.32-12,310.42

Finding the Fourth Proportional to 40,397.08, 60,588.32 and 12,310.42

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Solution

The fourth proportional to 40,397.08, 60,588.32 and 12,310.42 is: 18,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.08 : 60,588.32 = 12,310.42 : x
  2. Step 2: Convert to fraction form
    40,397.08/60,588.32 = 12,310.42/x
  3. Step 3: Cross multiply
    40,397.08x = 60,588.32 × 12,310.42
  4. Step 4: Simplify right side
    40,397.08x = 745,867,666.29
  5. Step 5: Solve for x
    x = 745,867,666.29/40,397.08
  6. Step 6: Final answer
    x = 18,463.41

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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.