Home / 39,471.11-59,215.98-12,817.02

Finding the Fourth Proportional to 39,471.11, 59,215.98 and 12,817.02

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Solution

The fourth proportional to 39,471.11, 59,215.98 and 12,817.02 is: 19,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.11 : 59,215.98 = 12,817.02 : x
  2. Step 2: Convert to fraction form
    39,471.11/59,215.98 = 12,817.02/x
  3. Step 3: Cross multiply
    39,471.11x = 59,215.98 × 12,817.02
  4. Step 4: Simplify right side
    39,471.11x = 758,972,071.86
  5. Step 5: Solve for x
    x = 758,972,071.86/39,471.11
  6. Step 6: Final answer
    x = 19,228.55

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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.