Home / 39,111.02-53,959.04-25,689.56

Finding the Fourth Proportional to 39,111.02, 53,959.04 and 25,689.56

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Solution

The fourth proportional to 39,111.02, 53,959.04 and 25,689.56 is: 35,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.02 : 53,959.04 = 25,689.56 : x
  2. Step 2: Convert to fraction form
    39,111.02/53,959.04 = 25,689.56/x
  3. Step 3: Cross multiply
    39,111.02x = 53,959.04 × 25,689.56
  4. Step 4: Simplify right side
    39,111.02x = 1,386,183,995.62
  5. Step 5: Solve for x
    x = 1,386,183,995.62/39,111.02
  6. Step 6: Final answer
    x = 35,442.29

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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.