Home / 38,387.22-52,987.62-22,476.78

Finding the Fourth Proportional to 38,387.22, 52,987.62 and 22,476.78

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Solution

The fourth proportional to 38,387.22, 52,987.62 and 22,476.78 is: 31,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387.22 : 52,987.62 = 22,476.78 : x
  2. Step 2: Convert to fraction form
    38,387.22/52,987.62 = 22,476.78/x
  3. Step 3: Cross multiply
    38,387.22x = 52,987.62 × 22,476.78
  4. Step 4: Simplify right side
    38,387.22x = 1,190,991,077.46
  5. Step 5: Solve for x
    x = 1,190,991,077.46/38,387.22
  6. Step 6: Final answer
    x = 31,025.72

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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.