Home / 51,158.44-70,589.28-28,496.87

Finding the Fourth Proportional to 51,158.44, 70,589.28 and 28,496.87

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Solution

The fourth proportional to 51,158.44, 70,589.28 and 28,496.87 is: 39,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158.44 : 70,589.28 = 28,496.87 : x
  2. Step 2: Convert to fraction form
    51,158.44/70,589.28 = 28,496.87/x
  3. Step 3: Cross multiply
    51,158.44x = 70,589.28 × 28,496.87
  4. Step 4: Simplify right side
    51,158.44x = 2,011,573,692.91
  5. Step 5: Solve for x
    x = 2,011,573,692.91/51,158.44
  6. Step 6: Final answer
    x = 39,320.46

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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.