Home / 55,753.12-76,939.68-30,259.52

Finding the Fourth Proportional to 55,753.12, 76,939.68 and 30,259.52

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Solution

The fourth proportional to 55,753.12, 76,939.68 and 30,259.52 is: 41,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,753.12 : 76,939.68 = 30,259.52 : x
  2. Step 2: Convert to fraction form
    55,753.12/76,939.68 = 30,259.52/x
  3. Step 3: Cross multiply
    55,753.12x = 76,939.68 × 30,259.52
  4. Step 4: Simplify right side
    55,753.12x = 2,328,157,785.75
  5. Step 5: Solve for x
    x = 2,328,157,785.75/55,753.12
  6. Step 6: Final answer
    x = 41,758.34

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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.