Home / 38,560.56-53,214.68-21,565.46

Finding the Fourth Proportional to 38,560.56, 53,214.68 and 21,565.46

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Solution

The fourth proportional to 38,560.56, 53,214.68 and 21,565.46 is: 29,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.56 : 53,214.68 = 21,565.46 : x
  2. Step 2: Convert to fraction form
    38,560.56/53,214.68 = 21,565.46/x
  3. Step 3: Cross multiply
    38,560.56x = 53,214.68 × 21,565.46
  4. Step 4: Simplify right side
    38,560.56x = 1,147,598,679.05
  5. Step 5: Solve for x
    x = 1,147,598,679.05/38,560.56
  6. Step 6: Final answer
    x = 29,760.94

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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.