Home / 38,587.78-57,881.66-25,437.07

Finding the Fourth Proportional to 38,587.78, 57,881.66 and 25,437.07

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Solution

The fourth proportional to 38,587.78, 57,881.66 and 25,437.07 is: 38,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587.78 : 57,881.66 = 25,437.07 : x
  2. Step 2: Convert to fraction form
    38,587.78/57,881.66 = 25,437.07/x
  3. Step 3: Cross multiply
    38,587.78x = 57,881.66 × 25,437.07
  4. Step 4: Simplify right side
    38,587.78x = 1,472,339,996.93
  5. Step 5: Solve for x
    x = 1,472,339,996.93/38,587.78
  6. Step 6: Final answer
    x = 38,155.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.