Home / 39,911.06-59,864.42-12,209.06

Finding the Fourth Proportional to 39,911.06, 59,864.42 and 12,209.06

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Solution

The fourth proportional to 39,911.06, 59,864.42 and 12,209.06 is: 18,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.06 : 59,864.42 = 12,209.06 : x
  2. Step 2: Convert to fraction form
    39,911.06/59,864.42 = 12,209.06/x
  3. Step 3: Cross multiply
    39,911.06x = 59,864.42 × 12,209.06
  4. Step 4: Simplify right side
    39,911.06x = 730,888,295.65
  5. Step 5: Solve for x
    x = 730,888,295.65/39,911.06
  6. Step 6: Final answer
    x = 18,312.93

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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.