Home / 51,981.24-71,733.96-28,107.84

Finding the Fourth Proportional to 51,981.24, 71,733.96 and 28,107.84

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Solution

The fourth proportional to 51,981.24, 71,733.96 and 28,107.84 is: 38,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.24 : 71,733.96 = 28,107.84 : x
  2. Step 2: Convert to fraction form
    51,981.24/71,733.96 = 28,107.84/x
  3. Step 3: Cross multiply
    51,981.24x = 71,733.96 × 28,107.84
  4. Step 4: Simplify right side
    51,981.24x = 2,016,286,670.25
  5. Step 5: Solve for x
    x = 2,016,286,670.25/51,981.24
  6. Step 6: Final answer
    x = 38,788.74

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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.