Home / 49,277-67,922.40-38,503.04

Finding the Fourth Proportional to 49,277, 67,922.40 and 38,503.04

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Solution

The fourth proportional to 49,277, 67,922.40 and 38,503.04 is: 53,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,277 : 67,922.40 = 38,503.04 : x
  2. Step 2: Convert to fraction form
    49,277/67,922.40 = 38,503.04/x
  3. Step 3: Cross multiply
    49,277x = 67,922.40 × 38,503.04
  4. Step 4: Simplify right side
    49,277x = 2,615,218,884.10
  5. Step 5: Solve for x
    x = 2,615,218,884.10/49,277
  6. Step 6: Final answer
    x = 53,071.80

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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.