Home / 42,286.95-63,352.12-21,202.38

Finding the Fourth Proportional to 42,286.95, 63,352.12 and 21,202.38

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Solution

The fourth proportional to 42,286.95, 63,352.12 and 21,202.38 is: 31,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286.95 : 63,352.12 = 21,202.38 : x
  2. Step 2: Convert to fraction form
    42,286.95/63,352.12 = 21,202.38/x
  3. Step 3: Cross multiply
    42,286.95x = 63,352.12 × 21,202.38
  4. Step 4: Simplify right side
    42,286.95x = 1,343,215,722.05
  5. Step 5: Solve for x
    x = 1,343,215,722.05/42,286.95
  6. Step 6: Final answer
    x = 31,764.31

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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.