Home / 57,748.75-86,623.13-13,972.75

Finding the Fourth Proportional to 57,748.75, 86,623.13 and 13,972.75

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Solution

The fourth proportional to 57,748.75, 86,623.13 and 13,972.75 is: 20,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.75 : 86,623.13 = 13,972.75 : x
  2. Step 2: Convert to fraction form
    57,748.75/86,623.13 = 13,972.75/x
  3. Step 3: Cross multiply
    57,748.75x = 86,623.13 × 13,972.75
  4. Step 4: Simplify right side
    57,748.75x = 1,210,363,339.71
  5. Step 5: Solve for x
    x = 1,210,363,339.71/57,748.75
  6. Step 6: Final answer
    x = 20,959.13

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Similar ratio
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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.