Home / 48,387.88-66,750.18-30,449.32

Finding the Fourth Proportional to 48,387.88, 66,750.18 and 30,449.32

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Solution

The fourth proportional to 48,387.88, 66,750.18 and 30,449.32 is: 42,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.88 : 66,750.18 = 30,449.32 : x
  2. Step 2: Convert to fraction form
    48,387.88/66,750.18 = 30,449.32/x
  3. Step 3: Cross multiply
    48,387.88x = 66,750.18 × 30,449.32
  4. Step 4: Simplify right side
    48,387.88x = 2,032,497,590.88
  5. Step 5: Solve for x
    x = 2,032,497,590.88/48,387.88
  6. Step 6: Final answer
    x = 42,004.27

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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.