Home / 38,657.85-53,373.42-29,689.26

Finding the Fourth Proportional to 38,657.85, 53,373.42 and 29,689.26

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Solution

The fourth proportional to 38,657.85, 53,373.42 and 29,689.26 is: 40,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.85 : 53,373.42 = 29,689.26 : x
  2. Step 2: Convert to fraction form
    38,657.85/53,373.42 = 29,689.26/x
  3. Step 3: Cross multiply
    38,657.85x = 53,373.42 × 29,689.26
  4. Step 4: Simplify right side
    38,657.85x = 1,584,617,343.47
  5. Step 5: Solve for x
    x = 1,584,617,343.47/38,657.85
  6. Step 6: Final answer
    x = 40,990.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.