Home / 72,346.50-108,521.17-19,757.39

Finding the Fourth Proportional to 72,346.50, 108,521.17 and 19,757.39

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Solution

The fourth proportional to 72,346.50, 108,521.17 and 19,757.39 is: 29,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,346.50 : 108,521.17 = 19,757.39 : x
  2. Step 2: Convert to fraction form
    72,346.50/108,521.17 = 19,757.39/x
  3. Step 3: Cross multiply
    72,346.50x = 108,521.17 × 19,757.39
  4. Step 4: Simplify right side
    72,346.50x = 2,144,094,486.95
  5. Step 5: Solve for x
    x = 2,144,094,486.95/72,346.50
  6. Step 6: Final answer
    x = 29,636.46

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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.