Home / 55,132.12-76,088.90-32,776.12

Finding the Fourth Proportional to 55,132.12, 76,088.90 and 32,776.12

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Solution

The fourth proportional to 55,132.12, 76,088.90 and 32,776.12 is: 45,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.12 : 76,088.90 = 32,776.12 : x
  2. Step 2: Convert to fraction form
    55,132.12/76,088.90 = 32,776.12/x
  3. Step 3: Cross multiply
    55,132.12x = 76,088.90 × 32,776.12
  4. Step 4: Simplify right side
    55,132.12x = 2,493,898,917.07
  5. Step 5: Solve for x
    x = 2,493,898,917.07/55,132.12
  6. Step 6: Final answer
    x = 45,234.95

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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.