Home / 42,597.36-63,846.66-20,122.20

Finding the Fourth Proportional to 42,597.36, 63,846.66 and 20,122.20

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Solution

The fourth proportional to 42,597.36, 63,846.66 and 20,122.20 is: 30,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,597.36 : 63,846.66 = 20,122.20 : x
  2. Step 2: Convert to fraction form
    42,597.36/63,846.66 = 20,122.20/x
  3. Step 3: Cross multiply
    42,597.36x = 63,846.66 × 20,122.20
  4. Step 4: Simplify right side
    42,597.36x = 1,284,735,261.85
  5. Step 5: Solve for x
    x = 1,284,735,261.85/42,597.36
  6. Step 6: Final answer
    x = 30,159.97

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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.