Home / 79,236.48-118,829.61-25,916.13

Finding the Fourth Proportional to 79,236.48, 118,829.61 and 25,916.13

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Solution

The fourth proportional to 79,236.48, 118,829.61 and 25,916.13 is: 38,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236.48 : 118,829.61 = 25,916.13 : x
  2. Step 2: Convert to fraction form
    79,236.48/118,829.61 = 25,916.13/x
  3. Step 3: Cross multiply
    79,236.48x = 118,829.61 × 25,916.13
  4. Step 4: Simplify right side
    79,236.48x = 3,079,603,620.61
  5. Step 5: Solve for x
    x = 3,079,603,620.61/79,236.48
  6. Step 6: Final answer
    x = 38,865.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.