Home / 51,942.03-71,680.02-28,068.69

Finding the Fourth Proportional to 51,942.03, 71,680.02 and 28,068.69

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Solution

The fourth proportional to 51,942.03, 71,680.02 and 28,068.69 is: 38,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,942.03 : 71,680.02 = 28,068.69 : x
  2. Step 2: Convert to fraction form
    51,942.03/71,680.02 = 28,068.69/x
  3. Step 3: Cross multiply
    51,942.03x = 71,680.02 × 28,068.69
  4. Step 4: Simplify right side
    51,942.03x = 2,011,964,260.57
  5. Step 5: Solve for x
    x = 2,011,964,260.57/51,942.03
  6. Step 6: Final answer
    x = 38,734.80

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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.