Home / 52,453.14-72,384.42-28,579.98

Finding the Fourth Proportional to 52,453.14, 72,384.42 and 28,579.98

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Solution

The fourth proportional to 52,453.14, 72,384.42 and 28,579.98 is: 39,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.14 : 72,384.42 = 28,579.98 : x
  2. Step 2: Convert to fraction form
    52,453.14/72,384.42 = 28,579.98/x
  3. Step 3: Cross multiply
    52,453.14x = 72,384.42 × 28,579.98
  4. Step 4: Simplify right side
    52,453.14x = 2,068,745,275.91
  5. Step 5: Solve for x
    x = 2,068,745,275.91/52,453.14
  6. Step 6: Final answer
    x = 39,439.87

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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.