Home / 39,615.60-59,420.49-14,644.02

Finding the Fourth Proportional to 39,615.60, 59,420.49 and 14,644.02

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Solution

The fourth proportional to 39,615.60, 59,420.49 and 14,644.02 is: 21,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.60 : 59,420.49 = 14,644.02 : x
  2. Step 2: Convert to fraction form
    39,615.60/59,420.49 = 14,644.02/x
  3. Step 3: Cross multiply
    39,615.60x = 59,420.49 × 14,644.02
  4. Step 4: Simplify right side
    39,615.60x = 870,154,843.97
  5. Step 5: Solve for x
    x = 870,154,843.97/39,615.60
  6. Step 6: Final answer
    x = 21,964.95

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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.