Home / 39,111.46-53,959.67-25,689.96

Finding the Fourth Proportional to 39,111.46, 53,959.67 and 25,689.96

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Solution

The fourth proportional to 39,111.46, 53,959.67 and 25,689.96 is: 35,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.46 : 53,959.67 = 25,689.96 : x
  2. Step 2: Convert to fraction form
    39,111.46/53,959.67 = 25,689.96/x
  3. Step 3: Cross multiply
    39,111.46x = 53,959.67 × 25,689.96
  4. Step 4: Simplify right side
    39,111.46x = 1,386,221,731.80
  5. Step 5: Solve for x
    x = 1,386,221,731.80/39,111.46
  6. Step 6: Final answer
    x = 35,442.86

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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.