Home / 52,491.87-72,438.57-28,618.34

Finding the Fourth Proportional to 52,491.87, 72,438.57 and 28,618.34

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Solution

The fourth proportional to 52,491.87, 72,438.57 and 28,618.34 is: 39,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.87 : 72,438.57 = 28,618.34 : x
  2. Step 2: Convert to fraction form
    52,491.87/72,438.57 = 28,618.34/x
  3. Step 3: Cross multiply
    52,491.87x = 72,438.57 × 28,618.34
  4. Step 4: Simplify right side
    52,491.87x = 2,073,071,263.18
  5. Step 5: Solve for x
    x = 2,073,071,263.18/52,491.87
  6. Step 6: Final answer
    x = 39,493.19

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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.