Home / 37,690.11-56,444.85-21,008.70

Finding the Fourth Proportional to 37,690.11, 56,444.85 and 21,008.70

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Solution

The fourth proportional to 37,690.11, 56,444.85 and 21,008.70 is: 31,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.11 : 56,444.85 = 21,008.70 : x
  2. Step 2: Convert to fraction form
    37,690.11/56,444.85 = 21,008.70/x
  3. Step 3: Cross multiply
    37,690.11x = 56,444.85 × 21,008.70
  4. Step 4: Simplify right side
    37,690.11x = 1,185,832,920.20
  5. Step 5: Solve for x
    x = 1,185,832,920.20/37,690.11
  6. Step 6: Final answer
    x = 31,462.71

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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.