Home / 38,331-52,901.64-21,567.24

Finding the Fourth Proportional to 38,331, 52,901.64 and 21,567.24

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Solution

The fourth proportional to 38,331, 52,901.64 and 21,567.24 is: 29,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331 : 52,901.64 = 21,567.24 : x
  2. Step 2: Convert to fraction form
    38,331/52,901.64 = 21,567.24/x
  3. Step 3: Cross multiply
    38,331x = 52,901.64 × 21,567.24
  4. Step 4: Simplify right side
    38,331x = 1,140,942,366.27
  5. Step 5: Solve for x
    x = 1,140,942,366.27/38,331
  6. Step 6: Final answer
    x = 29,765.53

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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.