Home / 40,555.89-60,833.98-12,475.76

Finding the Fourth Proportional to 40,555.89, 60,833.98 and 12,475.76

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Solution

The fourth proportional to 40,555.89, 60,833.98 and 12,475.76 is: 18,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.89 : 60,833.98 = 12,475.76 : x
  2. Step 2: Convert to fraction form
    40,555.89/60,833.98 = 12,475.76/x
  3. Step 3: Cross multiply
    40,555.89x = 60,833.98 × 12,475.76
  4. Step 4: Simplify right side
    40,555.89x = 758,950,134.32
  5. Step 5: Solve for x
    x = 758,950,134.32/40,555.89
  6. Step 6: Final answer
    x = 18,713.68

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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.