Home / 55,442.64-76,484.20-40,311.84

Finding the Fourth Proportional to 55,442.64, 76,484.20 and 40,311.84

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Solution

The fourth proportional to 55,442.64, 76,484.20 and 40,311.84 is: 55,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,442.64 : 76,484.20 = 40,311.84 : x
  2. Step 2: Convert to fraction form
    55,442.64/76,484.20 = 40,311.84/x
  3. Step 3: Cross multiply
    55,442.64x = 76,484.20 × 40,311.84
  4. Step 4: Simplify right side
    55,442.64x = 3,083,218,832.93
  5. Step 5: Solve for x
    x = 3,083,218,832.93/55,442.64
  6. Step 6: Final answer
    x = 55,610.97

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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.