Home / 54,886.30-82,357.10-21,630.24

Finding the Fourth Proportional to 54,886.30, 82,357.10 and 21,630.24

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Solution

The fourth proportional to 54,886.30, 82,357.10 and 21,630.24 is: 32,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.30 : 82,357.10 = 21,630.24 : x
  2. Step 2: Convert to fraction form
    54,886.30/82,357.10 = 21,630.24/x
  3. Step 3: Cross multiply
    54,886.30x = 82,357.10 × 21,630.24
  4. Step 4: Simplify right side
    54,886.30x = 1,781,403,318.77
  5. Step 5: Solve for x
    x = 1,781,403,318.77/54,886.30
  6. Step 6: Final answer
    x = 32,456.25

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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.