Home / 55,242.01-76,234.49-31,369.18

Finding the Fourth Proportional to 55,242.01, 76,234.49 and 31,369.18

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Solution

The fourth proportional to 55,242.01, 76,234.49 and 31,369.18 is: 43,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.01 : 76,234.49 = 31,369.18 : x
  2. Step 2: Convert to fraction form
    55,242.01/76,234.49 = 31,369.18/x
  3. Step 3: Cross multiply
    55,242.01x = 76,234.49 × 31,369.18
  4. Step 4: Simplify right side
    55,242.01x = 2,391,413,439.02
  5. Step 5: Solve for x
    x = 2,391,413,439.02/55,242.01
  6. Step 6: Final answer
    x = 43,289.76

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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.