Home / 39,405.64-54,371.82-25,071.16

Finding the Fourth Proportional to 39,405.64, 54,371.82 and 25,071.16

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Solution

The fourth proportional to 39,405.64, 54,371.82 and 25,071.16 is: 34,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.64 : 54,371.82 = 25,071.16 : x
  2. Step 2: Convert to fraction form
    39,405.64/54,371.82 = 25,071.16/x
  3. Step 3: Cross multiply
    39,405.64x = 54,371.82 × 25,071.16
  4. Step 4: Simplify right side
    39,405.64x = 1,363,164,598.71
  5. Step 5: Solve for x
    x = 1,363,164,598.71/39,405.64
  6. Step 6: Final answer
    x = 34,593.13

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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.