Home / 38,634.31-53,316.66-22,720.24

Finding the Fourth Proportional to 38,634.31, 53,316.66 and 22,720.24

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Solution

The fourth proportional to 38,634.31, 53,316.66 and 22,720.24 is: 31,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.31 : 53,316.66 = 22,720.24 : x
  2. Step 2: Convert to fraction form
    38,634.31/53,316.66 = 22,720.24/x
  3. Step 3: Cross multiply
    38,634.31x = 53,316.66 × 22,720.24
  4. Step 4: Simplify right side
    38,634.31x = 1,211,367,311.20
  5. Step 5: Solve for x
    x = 1,211,367,311.20/38,634.31
  6. Step 6: Final answer
    x = 31,354.70

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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.