Home / 36,557.20-54,857.74-15,780.68

Finding the Fourth Proportional to 36,557.20, 54,857.74 and 15,780.68

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Solution

The fourth proportional to 36,557.20, 54,857.74 and 15,780.68 is: 23,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,557.20 : 54,857.74 = 15,780.68 : x
  2. Step 2: Convert to fraction form
    36,557.20/54,857.74 = 15,780.68/x
  3. Step 3: Cross multiply
    36,557.20x = 54,857.74 × 15,780.68
  4. Step 4: Simplify right side
    36,557.20x = 865,692,440.46
  5. Step 5: Solve for x
    x = 865,692,440.46/36,557.20
  6. Step 6: Final answer
    x = 23,680.49

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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.