Home / 38,566.82-57,859.46-13,612.47

Finding the Fourth Proportional to 38,566.82, 57,859.46 and 13,612.47

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Solution

The fourth proportional to 38,566.82, 57,859.46 and 13,612.47 is: 20,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.82 : 57,859.46 = 13,612.47 : x
  2. Step 2: Convert to fraction form
    38,566.82/57,859.46 = 13,612.47/x
  3. Step 3: Cross multiply
    38,566.82x = 57,859.46 × 13,612.47
  4. Step 4: Simplify right side
    38,566.82x = 787,610,095.40
  5. Step 5: Solve for x
    x = 787,610,095.40/38,566.82
  6. Step 6: Final answer
    x = 20,421.96

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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.