Home / 39,966.16-55,129.56-25,827.36

Finding the Fourth Proportional to 39,966.16, 55,129.56 and 25,827.36

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Solution

The fourth proportional to 39,966.16, 55,129.56 and 25,827.36 is: 35,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.16 : 55,129.56 = 25,827.36 : x
  2. Step 2: Convert to fraction form
    39,966.16/55,129.56 = 25,827.36/x
  3. Step 3: Cross multiply
    39,966.16x = 55,129.56 × 25,827.36
  4. Step 4: Simplify right side
    39,966.16x = 1,423,850,992.76
  5. Step 5: Solve for x
    x = 1,423,850,992.76/39,966.16
  6. Step 6: Final answer
    x = 35,626.41

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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.