Home / 51,861.09-71,547.20-38,281.65

Finding the Fourth Proportional to 51,861.09, 71,547.20 and 38,281.65

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Solution

The fourth proportional to 51,861.09, 71,547.20 and 38,281.65 is: 52,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861.09 : 71,547.20 = 38,281.65 : x
  2. Step 2: Convert to fraction form
    51,861.09/71,547.20 = 38,281.65/x
  3. Step 3: Cross multiply
    51,861.09x = 71,547.20 × 38,281.65
  4. Step 4: Simplify right side
    51,861.09x = 2,738,944,552.73
  5. Step 5: Solve for x
    x = 2,738,944,552.73/51,861.09
  6. Step 6: Final answer
    x = 52,813.09

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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.