Home / 39,781.60-54,901.44-26,329.36

Finding the Fourth Proportional to 39,781.60, 54,901.44 and 26,329.36

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Solution

The fourth proportional to 39,781.60, 54,901.44 and 26,329.36 is: 36,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.60 : 54,901.44 = 26,329.36 : x
  2. Step 2: Convert to fraction form
    39,781.60/54,901.44 = 26,329.36/x
  3. Step 3: Cross multiply
    39,781.60x = 54,901.44 × 26,329.36
  4. Step 4: Simplify right side
    39,781.60x = 1,445,519,778.28
  5. Step 5: Solve for x
    x = 1,445,519,778.28/39,781.60
  6. Step 6: Final answer
    x = 36,336.39

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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.