Home / 39,762.20-54,877.02-25,656.08

Finding the Fourth Proportional to 39,762.20, 54,877.02 and 25,656.08

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Solution

The fourth proportional to 39,762.20, 54,877.02 and 25,656.08 is: 35,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.20 : 54,877.02 = 25,656.08 : x
  2. Step 2: Convert to fraction form
    39,762.20/54,877.02 = 25,656.08/x
  3. Step 3: Cross multiply
    39,762.20x = 54,877.02 × 25,656.08
  4. Step 4: Simplify right side
    39,762.20x = 1,407,929,215.28
  5. Step 5: Solve for x
    x = 1,407,929,215.28/39,762.20
  6. Step 6: Final answer
    x = 35,408.74

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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.