Home / 48,271.74-66,612.25-28,131.90

Finding the Fourth Proportional to 48,271.74, 66,612.25 and 28,131.90

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Solution

The fourth proportional to 48,271.74, 66,612.25 and 28,131.90 is: 38,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.74 : 66,612.25 = 28,131.90 : x
  2. Step 2: Convert to fraction form
    48,271.74/66,612.25 = 28,131.90/x
  3. Step 3: Cross multiply
    48,271.74x = 66,612.25 × 28,131.90
  4. Step 4: Simplify right side
    48,271.74x = 1,873,929,155.78
  5. Step 5: Solve for x
    x = 1,873,929,155.78/48,271.74
  6. Step 6: Final answer
    x = 38,820.42

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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.