Home / 51,424.46-70,972.33-28,764.71

Finding the Fourth Proportional to 51,424.46, 70,972.33 and 28,764.71

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Solution

The fourth proportional to 51,424.46, 70,972.33 and 28,764.71 is: 39,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,424.46 : 70,972.33 = 28,764.71 : x
  2. Step 2: Convert to fraction form
    51,424.46/70,972.33 = 28,764.71/x
  3. Step 3: Cross multiply
    51,424.46x = 70,972.33 × 28,764.71
  4. Step 4: Simplify right side
    51,424.46x = 2,041,498,490.47
  5. Step 5: Solve for x
    x = 2,041,498,490.47/51,424.46
  6. Step 6: Final answer
    x = 39,698.98

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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.