Home / 42,124.30-63,155.26-19,911.73

Finding the Fourth Proportional to 42,124.30, 63,155.26 and 19,911.73

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Solution

The fourth proportional to 42,124.30, 63,155.26 and 19,911.73 is: 29,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124.30 : 63,155.26 = 19,911.73 : x
  2. Step 2: Convert to fraction form
    42,124.30/63,155.26 = 19,911.73/x
  3. Step 3: Cross multiply
    42,124.30x = 63,155.26 × 19,911.73
  4. Step 4: Simplify right side
    42,124.30x = 1,257,530,485.20
  5. Step 5: Solve for x
    x = 1,257,530,485.20/42,124.30
  6. Step 6: Final answer
    x = 29,852.85

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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.