Home / 55,591.16-76,714.92-30,440.64

Finding the Fourth Proportional to 55,591.16, 76,714.92 and 30,440.64

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Solution

The fourth proportional to 55,591.16, 76,714.92 and 30,440.64 is: 42,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.16 : 76,714.92 = 30,440.64 : x
  2. Step 2: Convert to fraction form
    55,591.16/76,714.92 = 30,440.64/x
  3. Step 3: Cross multiply
    55,591.16x = 76,714.92 × 30,440.64
  4. Step 4: Simplify right side
    55,591.16x = 2,335,251,262.35
  5. Step 5: Solve for x
    x = 2,335,251,262.35/55,591.16
  6. Step 6: Final answer
    x = 42,007.60

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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.