Home / 38,819.95-58,242.22-13,859.45

Finding the Fourth Proportional to 38,819.95, 58,242.22 and 13,859.45

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Solution

The fourth proportional to 38,819.95, 58,242.22 and 13,859.45 is: 20,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.95 : 58,242.22 = 13,859.45 : x
  2. Step 2: Convert to fraction form
    38,819.95/58,242.22 = 13,859.45/x
  3. Step 3: Cross multiply
    38,819.95x = 58,242.22 × 13,859.45
  4. Step 4: Simplify right side
    38,819.95x = 807,204,844.77
  5. Step 5: Solve for x
    x = 807,204,844.77/38,819.95
  6. Step 6: Final answer
    x = 20,793.56

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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.