Home / 81,214.48-121,867.80-32,001.04

Finding the Fourth Proportional to 81,214.48, 121,867.80 and 32,001.04

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Solution

The fourth proportional to 81,214.48, 121,867.80 and 32,001.04 is: 48,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,214.48 : 121,867.80 = 32,001.04 : x
  2. Step 2: Convert to fraction form
    81,214.48/121,867.80 = 32,001.04/x
  3. Step 3: Cross multiply
    81,214.48x = 121,867.80 × 32,001.04
  4. Step 4: Simplify right side
    81,214.48x = 3,899,896,342.51
  5. Step 5: Solve for x
    x = 3,899,896,342.51/81,214.48
  6. Step 6: Final answer
    x = 48,019.72

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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.