Home / 60,780.34-91,211.24-21,337.57

Finding the Fourth Proportional to 60,780.34, 91,211.24 and 21,337.57

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Solution

The fourth proportional to 60,780.34, 91,211.24 and 21,337.57 is: 32,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,780.34 : 91,211.24 = 21,337.57 : x
  2. Step 2: Convert to fraction form
    60,780.34/91,211.24 = 21,337.57/x
  3. Step 3: Cross multiply
    60,780.34x = 91,211.24 × 21,337.57
  4. Step 4: Simplify right side
    60,780.34x = 1,946,226,218.29
  5. Step 5: Solve for x
    x = 1,946,226,218.29/60,780.34
  6. Step 6: Final answer
    x = 32,020.65

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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.