Home / 51,981.90-71,734.92-29,320.82

Finding the Fourth Proportional to 51,981.90, 71,734.92 and 29,320.82

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Solution

The fourth proportional to 51,981.90, 71,734.92 and 29,320.82 is: 40,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.90 : 71,734.92 = 29,320.82 : x
  2. Step 2: Convert to fraction form
    51,981.90/71,734.92 = 29,320.82/x
  3. Step 3: Cross multiply
    51,981.90x = 71,734.92 × 29,320.82
  4. Step 4: Simplify right side
    51,981.90x = 2,103,326,677.03
  5. Step 5: Solve for x
    x = 2,103,326,677.03/51,981.90
  6. Step 6: Final answer
    x = 40,462.67

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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.