Home / 39,947.47-55,104.27-25,602.20

Finding the Fourth Proportional to 39,947.47, 55,104.27 and 25,602.20

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Solution

The fourth proportional to 39,947.47, 55,104.27 and 25,602.20 is: 35,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.47 : 55,104.27 = 25,602.20 : x
  2. Step 2: Convert to fraction form
    39,947.47/55,104.27 = 25,602.20/x
  3. Step 3: Cross multiply
    39,947.47x = 55,104.27 × 25,602.20
  4. Step 4: Simplify right side
    39,947.47x = 1,410,790,531.49
  5. Step 5: Solve for x
    x = 1,410,790,531.49/39,947.47
  6. Step 6: Final answer
    x = 35,316.14

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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.