Home / 39,641.90-54,734.52-25,519.34

Finding the Fourth Proportional to 39,641.90, 54,734.52 and 25,519.34

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Solution

The fourth proportional to 39,641.90, 54,734.52 and 25,519.34 is: 35,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.90 : 54,734.52 = 25,519.34 : x
  2. Step 2: Convert to fraction form
    39,641.90/54,734.52 = 25,519.34/x
  3. Step 3: Cross multiply
    39,641.90x = 54,734.52 × 25,519.34
  4. Step 4: Simplify right side
    39,641.90x = 1,396,788,698.02
  5. Step 5: Solve for x
    x = 1,396,788,698.02/39,641.90
  6. Step 6: Final answer
    x = 35,235.16

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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.