Home / 49,372.71-68,132.66-28,158.81

Finding the Fourth Proportional to 49,372.71, 68,132.66 and 28,158.81

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Solution

The fourth proportional to 49,372.71, 68,132.66 and 28,158.81 is: 38,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,372.71 : 68,132.66 = 28,158.81 : x
  2. Step 2: Convert to fraction form
    49,372.71/68,132.66 = 28,158.81/x
  3. Step 3: Cross multiply
    49,372.71x = 68,132.66 × 28,158.81
  4. Step 4: Simplify right side
    49,372.71x = 1,918,534,486.94
  5. Step 5: Solve for x
    x = 1,918,534,486.94/49,372.71
  6. Step 6: Final answer
    x = 38,858.20

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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.