Home / 39,591.76-59,391.51-11,512.03

Finding the Fourth Proportional to 39,591.76, 59,391.51 and 11,512.03

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Solution

The fourth proportional to 39,591.76, 59,391.51 and 11,512.03 is: 17,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,591.76 : 59,391.51 = 11,512.03 : x
  2. Step 2: Convert to fraction form
    39,591.76/59,391.51 = 11,512.03/x
  3. Step 3: Cross multiply
    39,591.76x = 59,391.51 × 11,512.03
  4. Step 4: Simplify right side
    39,591.76x = 683,716,875.93
  5. Step 5: Solve for x
    x = 683,716,875.93/39,591.76
  6. Step 6: Final answer
    x = 17,269.17

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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.