Home / 37,677.12-56,521.92-12,719.52

Finding the Fourth Proportional to 37,677.12, 56,521.92 and 12,719.52

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Solution

The fourth proportional to 37,677.12, 56,521.92 and 12,719.52 is: 19,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,677.12 : 56,521.92 = 12,719.52 : x
  2. Step 2: Convert to fraction form
    37,677.12/56,521.92 = 12,719.52/x
  3. Step 3: Cross multiply
    37,677.12x = 56,521.92 × 12,719.52
  4. Step 4: Simplify right side
    37,677.12x = 718,931,691.88
  5. Step 5: Solve for x
    x = 718,931,691.88/37,677.12
  6. Step 6: Final answer
    x = 19,081.39

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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.