Home / 34,150.28-47,128.82-20,001.16

Finding the Fourth Proportional to 34,150.28, 47,128.82 and 20,001.16

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Solution

The fourth proportional to 34,150.28, 47,128.82 and 20,001.16 is: 27,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,150.28 : 47,128.82 = 20,001.16 : x
  2. Step 2: Convert to fraction form
    34,150.28/47,128.82 = 20,001.16/x
  3. Step 3: Cross multiply
    34,150.28x = 47,128.82 × 20,001.16
  4. Step 4: Simplify right side
    34,150.28x = 942,631,069.43
  5. Step 5: Solve for x
    x = 942,631,069.43/34,150.28
  6. Step 6: Final answer
    x = 27,602.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.