Home / 39,894.28-55,040.65-24,781.57

Finding the Fourth Proportional to 39,894.28, 55,040.65 and 24,781.57

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Solution

The fourth proportional to 39,894.28, 55,040.65 and 24,781.57 is: 34,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894.28 : 55,040.65 = 24,781.57 : x
  2. Step 2: Convert to fraction form
    39,894.28/55,040.65 = 24,781.57/x
  3. Step 3: Cross multiply
    39,894.28x = 55,040.65 × 24,781.57
  4. Step 4: Simplify right side
    39,894.28x = 1,363,993,720.82
  5. Step 5: Solve for x
    x = 1,363,993,720.82/39,894.28
  6. Step 6: Final answer
    x = 34,190.21

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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.