Home / 54,747.33-82,088.07-21,427.71

Finding the Fourth Proportional to 54,747.33, 82,088.07 and 21,427.71

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Solution

The fourth proportional to 54,747.33, 82,088.07 and 21,427.71 is: 32,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.33 : 82,088.07 = 21,427.71 : x
  2. Step 2: Convert to fraction form
    54,747.33/82,088.07 = 21,427.71/x
  3. Step 3: Cross multiply
    54,747.33x = 82,088.07 × 21,427.71
  4. Step 4: Simplify right side
    54,747.33x = 1,758,959,358.42
  5. Step 5: Solve for x
    x = 1,758,959,358.42/54,747.33
  6. Step 6: Final answer
    x = 32,128.68

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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.