Home / 71,360.15-107,045.76-21,436.34

Finding the Fourth Proportional to 71,360.15, 107,045.76 and 21,436.34

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Solution

The fourth proportional to 71,360.15, 107,045.76 and 21,436.34 is: 32,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,360.15 : 107,045.76 = 21,436.34 : x
  2. Step 2: Convert to fraction form
    71,360.15/107,045.76 = 21,436.34/x
  3. Step 3: Cross multiply
    71,360.15x = 107,045.76 × 21,436.34
  4. Step 4: Simplify right side
    71,360.15x = 2,294,669,306.92
  5. Step 5: Solve for x
    x = 2,294,669,306.92/71,360.15
  6. Step 6: Final answer
    x = 32,156.17

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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.