Home / 82,415.48-123,610.14-26,248.28

Finding the Fourth Proportional to 82,415.48, 123,610.14 and 26,248.28

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Solution

The fourth proportional to 82,415.48, 123,610.14 and 26,248.28 is: 39,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,415.48 : 123,610.14 = 26,248.28 : x
  2. Step 2: Convert to fraction form
    82,415.48/123,610.14 = 26,248.28/x
  3. Step 3: Cross multiply
    82,415.48x = 123,610.14 × 26,248.28
  4. Step 4: Simplify right side
    82,415.48x = 3,244,553,565.56
  5. Step 5: Solve for x
    x = 3,244,553,565.56/82,415.48
  6. Step 6: Final answer
    x = 39,368.25

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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.