Home / 38,766.90-58,152.18-13,807.16

Finding the Fourth Proportional to 38,766.90, 58,152.18 and 13,807.16

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Solution

The fourth proportional to 38,766.90, 58,152.18 and 13,807.16 is: 20,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.90 : 58,152.18 = 13,807.16 : x
  2. Step 2: Convert to fraction form
    38,766.90/58,152.18 = 13,807.16/x
  3. Step 3: Cross multiply
    38,766.90x = 58,152.18 × 13,807.16
  4. Step 4: Simplify right side
    38,766.90x = 802,916,453.61
  5. Step 5: Solve for x
    x = 802,916,453.61/38,766.90
  6. Step 6: Final answer
    x = 20,711.39

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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.