Home / 38,567.28-53,227.78-21,572.46

Finding the Fourth Proportional to 38,567.28, 53,227.78 and 21,572.46

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Solution

The fourth proportional to 38,567.28, 53,227.78 and 21,572.46 is: 29,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,567.28 : 53,227.78 = 21,572.46 : x
  2. Step 2: Convert to fraction form
    38,567.28/53,227.78 = 21,572.46/x
  3. Step 3: Cross multiply
    38,567.28x = 53,227.78 × 21,572.46
  4. Step 4: Simplify right side
    38,567.28x = 1,148,254,154.94
  5. Step 5: Solve for x
    x = 1,148,254,154.94/38,567.28
  6. Step 6: Final answer
    x = 29,772.75

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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.