Home / 40,394.78-55,746.43-23,398.75

Finding the Fourth Proportional to 40,394.78, 55,746.43 and 23,398.75

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Solution

The fourth proportional to 40,394.78, 55,746.43 and 23,398.75 is: 32,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.78 : 55,746.43 = 23,398.75 : x
  2. Step 2: Convert to fraction form
    40,394.78/55,746.43 = 23,398.75/x
  3. Step 3: Cross multiply
    40,394.78x = 55,746.43 × 23,398.75
  4. Step 4: Simplify right side
    40,394.78x = 1,304,396,790.15
  5. Step 5: Solve for x
    x = 1,304,396,790.15/40,394.78
  6. Step 6: Final answer
    x = 32,291.22

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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.