Home / 57,215.91-85,838.85-21,677.52

Finding the Fourth Proportional to 57,215.91, 85,838.85 and 21,677.52

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Solution

The fourth proportional to 57,215.91, 85,838.85 and 21,677.52 is: 32,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215.91 : 85,838.85 = 21,677.52 : x
  2. Step 2: Convert to fraction form
    57,215.91/85,838.85 = 21,677.52/x
  3. Step 3: Cross multiply
    57,215.91x = 85,838.85 × 21,677.52
  4. Step 4: Simplify right side
    57,215.91x = 1,860,773,387.65
  5. Step 5: Solve for x
    x = 1,860,773,387.65/57,215.91
  6. Step 6: Final answer
    x = 32,521.96

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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.