Home / 39,866.47-54,998.64-25,522.78

Finding the Fourth Proportional to 39,866.47, 54,998.64 and 25,522.78

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Solution

The fourth proportional to 39,866.47, 54,998.64 and 25,522.78 is: 35,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.47 : 54,998.64 = 25,522.78 : x
  2. Step 2: Convert to fraction form
    39,866.47/54,998.64 = 25,522.78/x
  3. Step 3: Cross multiply
    39,866.47x = 54,998.64 × 25,522.78
  4. Step 4: Simplify right side
    39,866.47x = 1,403,718,189.02
  5. Step 5: Solve for x
    x = 1,403,718,189.02/39,866.47
  6. Step 6: Final answer
    x = 35,210.50

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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.