Home / 38,343.96-57,521.43-12,050.78

Finding the Fourth Proportional to 38,343.96, 57,521.43 and 12,050.78

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Solution

The fourth proportional to 38,343.96, 57,521.43 and 12,050.78 is: 18,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,343.96 : 57,521.43 = 12,050.78 : x
  2. Step 2: Convert to fraction form
    38,343.96/57,521.43 = 12,050.78/x
  3. Step 3: Cross multiply
    38,343.96x = 57,521.43 × 12,050.78
  4. Step 4: Simplify right side
    38,343.96x = 693,177,810.61
  5. Step 5: Solve for x
    x = 693,177,810.61/38,343.96
  6. Step 6: Final answer
    x = 18,077.89

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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.