Home / 42,438.24-63,560.48-20,267.24

Finding the Fourth Proportional to 42,438.24, 63,560.48 and 20,267.24

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Solution

The fourth proportional to 42,438.24, 63,560.48 and 20,267.24 is: 30,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438.24 : 63,560.48 = 20,267.24 : x
  2. Step 2: Convert to fraction form
    42,438.24/63,560.48 = 20,267.24/x
  3. Step 3: Cross multiply
    42,438.24x = 63,560.48 × 20,267.24
  4. Step 4: Simplify right side
    42,438.24x = 1,288,195,083.54
  5. Step 5: Solve for x
    x = 1,288,195,083.54/42,438.24
  6. Step 6: Final answer
    x = 30,354.58

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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.