Home / 39,110.90-53,958.89-25,689.38

Finding the Fourth Proportional to 39,110.90, 53,958.89 and 25,689.38

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Solution

The fourth proportional to 39,110.90, 53,958.89 and 25,689.38 is: 35,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.90 : 53,958.89 = 25,689.38 : x
  2. Step 2: Convert to fraction form
    39,110.90/53,958.89 = 25,689.38/x
  3. Step 3: Cross multiply
    39,110.90x = 53,958.89 × 25,689.38
  4. Step 4: Simplify right side
    39,110.90x = 1,386,170,224.02
  5. Step 5: Solve for x
    x = 1,386,170,224.02/39,110.90
  6. Step 6: Final answer
    x = 35,442.05

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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.