Home / 41,964.06-62,924.40-12,378.12

Finding the Fourth Proportional to 41,964.06, 62,924.40 and 12,378.12

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Solution

The fourth proportional to 41,964.06, 62,924.40 and 12,378.12 is: 18,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,964.06 : 62,924.40 = 12,378.12 : x
  2. Step 2: Convert to fraction form
    41,964.06/62,924.40 = 12,378.12/x
  3. Step 3: Cross multiply
    41,964.06x = 62,924.40 × 12,378.12
  4. Step 4: Simplify right side
    41,964.06x = 778,885,774.13
  5. Step 5: Solve for x
    x = 778,885,774.13/41,964.06
  6. Step 6: Final answer
    x = 18,560.78

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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.