Home / 55,747.36-76,931.08-30,253.72

Finding the Fourth Proportional to 55,747.36, 76,931.08 and 30,253.72

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Solution

The fourth proportional to 55,747.36, 76,931.08 and 30,253.72 is: 41,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.36 : 76,931.08 = 30,253.72 : x
  2. Step 2: Convert to fraction form
    55,747.36/76,931.08 = 30,253.72/x
  3. Step 3: Cross multiply
    55,747.36x = 76,931.08 × 30,253.72
  4. Step 4: Simplify right side
    55,747.36x = 2,327,451,353.62
  5. Step 5: Solve for x
    x = 2,327,451,353.62/55,747.36
  6. Step 6: Final answer
    x = 41,749.98

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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.