Home / 37,658.76-51,970.05-20,663.73

Finding the Fourth Proportional to 37,658.76, 51,970.05 and 20,663.73

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Solution

The fourth proportional to 37,658.76, 51,970.05 and 20,663.73 is: 28,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.76 : 51,970.05 = 20,663.73 : x
  2. Step 2: Convert to fraction form
    37,658.76/51,970.05 = 20,663.73/x
  3. Step 3: Cross multiply
    37,658.76x = 51,970.05 × 20,663.73
  4. Step 4: Simplify right side
    37,658.76x = 1,073,895,081.29
  5. Step 5: Solve for x
    x = 1,073,895,081.29/37,658.76
  6. Step 6: Final answer
    x = 28,516.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.