Home / 38,562.15-53,215.39-21,566.20

Finding the Fourth Proportional to 38,562.15, 53,215.39 and 21,566.20

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Solution

The fourth proportional to 38,562.15, 53,215.39 and 21,566.20 is: 29,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562.15 : 53,215.39 = 21,566.20 : x
  2. Step 2: Convert to fraction form
    38,562.15/53,215.39 = 21,566.20/x
  3. Step 3: Cross multiply
    38,562.15x = 53,215.39 × 21,566.20
  4. Step 4: Simplify right side
    38,562.15x = 1,147,653,743.82
  5. Step 5: Solve for x
    x = 1,147,653,743.82/38,562.15
  6. Step 6: Final answer
    x = 29,761.15

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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.