Home / 40,462.24-60,700.64-12,381.77

Finding the Fourth Proportional to 40,462.24, 60,700.64 and 12,381.77

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Solution

The fourth proportional to 40,462.24, 60,700.64 and 12,381.77 is: 18,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,462.24 : 60,700.64 = 12,381.77 : x
  2. Step 2: Convert to fraction form
    40,462.24/60,700.64 = 12,381.77/x
  3. Step 3: Cross multiply
    40,462.24x = 60,700.64 × 12,381.77
  4. Step 4: Simplify right side
    40,462.24x = 751,581,363.33
  5. Step 5: Solve for x
    x = 751,581,363.33/40,462.24
  6. Step 6: Final answer
    x = 18,574.88

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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.