Home / 37,691.11-56,446.35-21,009.70

Finding the Fourth Proportional to 37,691.11, 56,446.35 and 21,009.70

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Solution

The fourth proportional to 37,691.11, 56,446.35 and 21,009.70 is: 31,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,691.11 : 56,446.35 = 21,009.70 : x
  2. Step 2: Convert to fraction form
    37,691.11/56,446.35 = 21,009.70/x
  3. Step 3: Cross multiply
    37,691.11x = 56,446.35 × 21,009.70
  4. Step 4: Simplify right side
    37,691.11x = 1,185,920,879.60
  5. Step 5: Solve for x
    x = 1,185,920,879.60/37,691.11
  6. Step 6: Final answer
    x = 31,464.21

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1.5x scale

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.