Home / 42,321.24-63,427.19-20,141.42

Finding the Fourth Proportional to 42,321.24, 63,427.19 and 20,141.42

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Solution

The fourth proportional to 42,321.24, 63,427.19 and 20,141.42 is: 30,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321.24 : 63,427.19 = 20,141.42 : x
  2. Step 2: Convert to fraction form
    42,321.24/63,427.19 = 20,141.42/x
  3. Step 3: Cross multiply
    42,321.24x = 63,427.19 × 20,141.42
  4. Step 4: Simplify right side
    42,321.24x = 1,277,513,255.37
  5. Step 5: Solve for x
    x = 1,277,513,255.37/42,321.24
  6. Step 6: Final answer
    x = 30,186.10

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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.