Home / 42,400.44-63,601.26-12,818.52

Finding the Fourth Proportional to 42,400.44, 63,601.26 and 12,818.52

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Solution

The fourth proportional to 42,400.44, 63,601.26 and 12,818.52 is: 19,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,400.44 : 63,601.26 = 12,818.52 : x
  2. Step 2: Convert to fraction form
    42,400.44/63,601.26 = 12,818.52/x
  3. Step 3: Cross multiply
    42,400.44x = 63,601.26 × 12,818.52
  4. Step 4: Simplify right side
    42,400.44x = 815,274,023.34
  5. Step 5: Solve for x
    x = 815,274,023.34/42,400.44
  6. Step 6: Final answer
    x = 19,227.96

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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.