Home / 39,111.52-53,959.74-25,690.06

Finding the Fourth Proportional to 39,111.52, 53,959.74 and 25,690.06

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Solution

The fourth proportional to 39,111.52, 53,959.74 and 25,690.06 is: 35,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.52 : 53,959.74 = 25,690.06 : x
  2. Step 2: Convert to fraction form
    39,111.52/53,959.74 = 25,690.06/x
  3. Step 3: Cross multiply
    39,111.52x = 53,959.74 × 25,690.06
  4. Step 4: Simplify right side
    39,111.52x = 1,386,228,958.18
  5. Step 5: Solve for x
    x = 1,386,228,958.18/39,111.52
  6. Step 6: Final answer
    x = 35,442.98

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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.