Home / 48,762.87-67,281.33-28,618.71

Finding the Fourth Proportional to 48,762.87, 67,281.33 and 28,618.71

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Solution

The fourth proportional to 48,762.87, 67,281.33 and 28,618.71 is: 39,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,762.87 : 67,281.33 = 28,618.71 : x
  2. Step 2: Convert to fraction form
    48,762.87/67,281.33 = 28,618.71/x
  3. Step 3: Cross multiply
    48,762.87x = 67,281.33 × 28,618.71
  4. Step 4: Simplify right side
    48,762.87x = 1,925,504,871.68
  5. Step 5: Solve for x
    x = 1,925,504,871.68/48,762.87
  6. Step 6: Final answer
    x = 39,487.11

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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.