Home / 39,899.52-59,866.56-15,292.80

Finding the Fourth Proportional to 39,899.52, 59,866.56 and 15,292.80

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Solution

The fourth proportional to 39,899.52, 59,866.56 and 15,292.80 is: 22,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.52 : 59,866.56 = 15,292.80 : x
  2. Step 2: Convert to fraction form
    39,899.52/59,866.56 = 15,292.80/x
  3. Step 3: Cross multiply
    39,899.52x = 59,866.56 × 15,292.80
  4. Step 4: Simplify right side
    39,899.52x = 915,527,328.77
  5. Step 5: Solve for x
    x = 915,527,328.77/39,899.52
  6. Step 6: Final answer
    x = 22,945.82

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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.