Home / 52,294.06-78,441.09-21,151.18

Finding the Fourth Proportional to 52,294.06, 78,441.09 and 21,151.18

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Solution

The fourth proportional to 52,294.06, 78,441.09 and 21,151.18 is: 31,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.06 : 78,441.09 = 21,151.18 : x
  2. Step 2: Convert to fraction form
    52,294.06/78,441.09 = 21,151.18/x
  3. Step 3: Cross multiply
    52,294.06x = 78,441.09 × 21,151.18
  4. Step 4: Simplify right side
    52,294.06x = 1,659,121,613.99
  5. Step 5: Solve for x
    x = 1,659,121,613.99/52,294.06
  6. Step 6: Final answer
    x = 31,726.77

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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.