Home / 40,088.61-60,115.99-12,012.66

Finding the Fourth Proportional to 40,088.61, 60,115.99 and 12,012.66

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Solution

The fourth proportional to 40,088.61, 60,115.99 and 12,012.66 is: 18,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,088.61 : 60,115.99 = 12,012.66 : x
  2. Step 2: Convert to fraction form
    40,088.61/60,115.99 = 12,012.66/x
  3. Step 3: Cross multiply
    40,088.61x = 60,115.99 × 12,012.66
  4. Step 4: Simplify right side
    40,088.61x = 722,152,948.43
  5. Step 5: Solve for x
    x = 722,152,948.43/40,088.61
  6. Step 6: Final answer
    x = 18,013.92

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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.