Home / 42,401.44-63,602.76-12,819.52

Finding the Fourth Proportional to 42,401.44, 63,602.76 and 12,819.52

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Solution

The fourth proportional to 42,401.44, 63,602.76 and 12,819.52 is: 19,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,401.44 : 63,602.76 = 12,819.52 : x
  2. Step 2: Convert to fraction form
    42,401.44/63,602.76 = 12,819.52/x
  3. Step 3: Cross multiply
    42,401.44x = 63,602.76 × 12,819.52
  4. Step 4: Simplify right side
    42,401.44x = 815,356,853.88
  5. Step 5: Solve for x
    x = 815,356,853.88/42,401.44
  6. Step 6: Final answer
    x = 19,229.46

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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.