Home / 39,905.44-59,857.56-10,320.88

Finding the Fourth Proportional to 39,905.44, 59,857.56 and 10,320.88

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Solution

The fourth proportional to 39,905.44, 59,857.56 and 10,320.88 is: 15,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.44 : 59,857.56 = 10,320.88 : x
  2. Step 2: Convert to fraction form
    39,905.44/59,857.56 = 10,320.88/x
  3. Step 3: Cross multiply
    39,905.44x = 59,857.56 × 10,320.88
  4. Step 4: Simplify right side
    39,905.44x = 617,782,693.85
  5. Step 5: Solve for x
    x = 617,782,693.85/39,905.44
  6. Step 6: Final answer
    x = 15,481.16

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1.5x scale

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.