Home / 57,948.99-86,909.85-15,819.06

Finding the Fourth Proportional to 57,948.99, 86,909.85 and 15,819.06

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Solution

The fourth proportional to 57,948.99, 86,909.85 and 15,819.06 is: 23,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,948.99 : 86,909.85 = 15,819.06 : x
  2. Step 2: Convert to fraction form
    57,948.99/86,909.85 = 15,819.06/x
  3. Step 3: Cross multiply
    57,948.99x = 86,909.85 × 15,819.06
  4. Step 4: Simplify right side
    57,948.99x = 1,374,832,131.74
  5. Step 5: Solve for x
    x = 1,374,832,131.74/57,948.99
  6. Step 6: Final answer
    x = 23,724.87

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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.