Home / 61,920.18-85,471.65-36,769.50

Finding the Fourth Proportional to 61,920.18, 85,471.65 and 36,769.50

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Solution

The fourth proportional to 61,920.18, 85,471.65 and 36,769.50 is: 50,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.18 : 85,471.65 = 36,769.50 : x
  2. Step 2: Convert to fraction form
    61,920.18/85,471.65 = 36,769.50/x
  3. Step 3: Cross multiply
    61,920.18x = 85,471.65 × 36,769.50
  4. Step 4: Simplify right side
    61,920.18x = 3,142,749,834.68
  5. Step 5: Solve for x
    x = 3,142,749,834.68/61,920.18
  6. Step 6: Final answer
    x = 50,754.86

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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.