Home / 51,363.96-76,939.80-30,238.92

Finding the Fourth Proportional to 51,363.96, 76,939.80 and 30,238.92

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Solution

The fourth proportional to 51,363.96, 76,939.80 and 30,238.92 is: 45,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.96 : 76,939.80 = 30,238.92 : x
  2. Step 2: Convert to fraction form
    51,363.96/76,939.80 = 30,238.92/x
  3. Step 3: Cross multiply
    51,363.96x = 76,939.80 × 30,238.92
  4. Step 4: Simplify right side
    51,363.96x = 2,326,576,457.02
  5. Step 5: Solve for x
    x = 2,326,576,457.02/51,363.96
  6. Step 6: Final answer
    x = 45,295.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.