Home / 38,560.57-53,214.67-21,565.45

Finding the Fourth Proportional to 38,560.57, 53,214.67 and 21,565.45

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Solution

The fourth proportional to 38,560.57, 53,214.67 and 21,565.45 is: 29,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.57 : 53,214.67 = 21,565.45 : x
  2. Step 2: Convert to fraction form
    38,560.57/53,214.67 = 21,565.45/x
  3. Step 3: Cross multiply
    38,560.57x = 53,214.67 × 21,565.45
  4. Step 4: Simplify right side
    38,560.57x = 1,147,598,305.15
  5. Step 5: Solve for x
    x = 1,147,598,305.15/38,560.57
  6. Step 6: Final answer
    x = 29,760.93

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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.