Home / 34,172.91-51,260.90-10,478.72

Finding the Fourth Proportional to 34,172.91, 51,260.90 and 10,478.72

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Solution

The fourth proportional to 34,172.91, 51,260.90 and 10,478.72 is: 15,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.91 : 51,260.90 = 10,478.72 : x
  2. Step 2: Convert to fraction form
    34,172.91/51,260.90 = 10,478.72/x
  3. Step 3: Cross multiply
    34,172.91x = 51,260.90 × 10,478.72
  4. Step 4: Simplify right side
    34,172.91x = 537,148,618.05
  5. Step 5: Solve for x
    x = 537,148,618.05/34,172.91
  6. Step 6: Final answer
    x = 15,718.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.