Home / 39,902.15-59,844.93-11,815.62

Finding the Fourth Proportional to 39,902.15, 59,844.93 and 11,815.62

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Solution

The fourth proportional to 39,902.15, 59,844.93 and 11,815.62 is: 17,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,902.15 : 59,844.93 = 11,815.62 : x
  2. Step 2: Convert to fraction form
    39,902.15/59,844.93 = 11,815.62/x
  3. Step 3: Cross multiply
    39,902.15x = 59,844.93 × 11,815.62
  4. Step 4: Simplify right side
    39,902.15x = 707,104,951.81
  5. Step 5: Solve for x
    x = 707,104,951.81/39,902.15
  6. Step 6: Final answer
    x = 17,720.98

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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.