Home / 55,108.16-82,620.63-28,425.55

Finding the Fourth Proportional to 55,108.16, 82,620.63 and 28,425.55

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Solution

The fourth proportional to 55,108.16, 82,620.63 and 28,425.55 is: 42,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.16 : 82,620.63 = 28,425.55 : x
  2. Step 2: Convert to fraction form
    55,108.16/82,620.63 = 28,425.55/x
  3. Step 3: Cross multiply
    55,108.16x = 82,620.63 × 28,425.55
  4. Step 4: Simplify right side
    55,108.16x = 2,348,536,642.54
  5. Step 5: Solve for x
    x = 2,348,536,642.54/55,108.16
  6. Step 6: Final answer
    x = 42,616.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.