Home / 51,364.92-70,891.72-31,228.12

Finding the Fourth Proportional to 51,364.92, 70,891.72 and 31,228.12

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Solution

The fourth proportional to 51,364.92, 70,891.72 and 31,228.12 is: 43,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.92 : 70,891.72 = 31,228.12 : x
  2. Step 2: Convert to fraction form
    51,364.92/70,891.72 = 31,228.12/x
  3. Step 3: Cross multiply
    51,364.92x = 70,891.72 × 31,228.12
  4. Step 4: Simplify right side
    51,364.92x = 2,213,815,139.17
  5. Step 5: Solve for x
    x = 2,213,815,139.17/51,364.92
  6. Step 6: Final answer
    x = 43,099.75

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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.