Home / 42,735.40-63,940.44-25,806.10

Finding the Fourth Proportional to 42,735.40, 63,940.44 and 25,806.10

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Solution

The fourth proportional to 42,735.40, 63,940.44 and 25,806.10 is: 38,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,735.40 : 63,940.44 = 25,806.10 : x
  2. Step 2: Convert to fraction form
    42,735.40/63,940.44 = 25,806.10/x
  3. Step 3: Cross multiply
    42,735.40x = 63,940.44 × 25,806.10
  4. Step 4: Simplify right side
    42,735.40x = 1,650,053,388.68
  5. Step 5: Solve for x
    x = 1,650,053,388.68/42,735.40
  6. Step 6: Final answer
    x = 38,610.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.