Home / 38,747.16-58,122.90-11,043

Finding the Fourth Proportional to 38,747.16, 58,122.90 and 11,043

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Solution

The fourth proportional to 38,747.16, 58,122.90 and 11,043 is: 16,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.16 : 58,122.90 = 11,043 : x
  2. Step 2: Convert to fraction form
    38,747.16/58,122.90 = 11,043/x
  3. Step 3: Cross multiply
    38,747.16x = 58,122.90 × 11,043
  4. Step 4: Simplify right side
    38,747.16x = 641,851,184.70
  5. Step 5: Solve for x
    x = 641,851,184.70/38,747.16
  6. Step 6: Final answer
    x = 16,565.12

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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.