Home / 39,512.80-59,123.40-36,013.60

Finding the Fourth Proportional to 39,512.80, 59,123.40 and 36,013.60

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Solution

The fourth proportional to 39,512.80, 59,123.40 and 36,013.60 is: 53,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.80 : 59,123.40 = 36,013.60 : x
  2. Step 2: Convert to fraction form
    39,512.80/59,123.40 = 36,013.60/x
  3. Step 3: Cross multiply
    39,512.80x = 59,123.40 × 36,013.60
  4. Step 4: Simplify right side
    39,512.80x = 2,129,246,478.24
  5. Step 5: Solve for x
    x = 2,129,246,478.24/39,512.80
  6. Step 6: Final answer
    x = 53,887.51

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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.