Home / 51,070.20-70,475.19-28,408.56

Finding the Fourth Proportional to 51,070.20, 70,475.19 and 28,408.56

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Solution

The fourth proportional to 51,070.20, 70,475.19 and 28,408.56 is: 39,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.20 : 70,475.19 = 28,408.56 : x
  2. Step 2: Convert to fraction form
    51,070.20/70,475.19 = 28,408.56/x
  3. Step 3: Cross multiply
    51,070.20x = 70,475.19 × 28,408.56
  4. Step 4: Simplify right side
    51,070.20x = 2,002,098,663.63
  5. Step 5: Solve for x
    x = 2,002,098,663.63/51,070.20
  6. Step 6: Final answer
    x = 39,202.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.