Home / 36,972.35-55,432.55-12,950.78

Finding the Fourth Proportional to 36,972.35, 55,432.55 and 12,950.78

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Solution

The fourth proportional to 36,972.35, 55,432.55 and 12,950.78 is: 19,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.35 : 55,432.55 = 12,950.78 : x
  2. Step 2: Convert to fraction form
    36,972.35/55,432.55 = 12,950.78/x
  3. Step 3: Cross multiply
    36,972.35x = 55,432.55 × 12,950.78
  4. Step 4: Simplify right side
    36,972.35x = 717,894,417.97
  5. Step 5: Solve for x
    x = 717,894,417.97/36,972.35
  6. Step 6: Final answer
    x = 19,417.06

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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.