Home / 39,902.03-59,856.50-11,439.11

Finding the Fourth Proportional to 39,902.03, 59,856.50 and 11,439.11

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Solution

The fourth proportional to 39,902.03, 59,856.50 and 11,439.11 is: 17,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,902.03 : 59,856.50 = 11,439.11 : x
  2. Step 2: Convert to fraction form
    39,902.03/59,856.50 = 11,439.11/x
  3. Step 3: Cross multiply
    39,902.03x = 59,856.50 × 11,439.11
  4. Step 4: Simplify right side
    39,902.03x = 684,705,113.78
  5. Step 5: Solve for x
    x = 684,705,113.78/39,902.03
  6. Step 6: Final answer
    x = 17,159.66

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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.