Home / 39,951.32-55,116.05-28,022.45

Finding the Fourth Proportional to 39,951.32, 55,116.05 and 28,022.45

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Solution

The fourth proportional to 39,951.32, 55,116.05 and 28,022.45 is: 38,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.32 : 55,116.05 = 28,022.45 : x
  2. Step 2: Convert to fraction form
    39,951.32/55,116.05 = 28,022.45/x
  3. Step 3: Cross multiply
    39,951.32x = 55,116.05 × 28,022.45
  4. Step 4: Simplify right side
    39,951.32x = 1,544,486,755.32
  5. Step 5: Solve for x
    x = 1,544,486,755.32/39,951.32
  6. Step 6: Final answer
    x = 38,659.22

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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.