Home / 51,174.34-70,619.74-28,514.95

Finding the Fourth Proportional to 51,174.34, 70,619.74 and 28,514.95

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Solution

The fourth proportional to 51,174.34, 70,619.74 and 28,514.95 is: 39,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.34 : 70,619.74 = 28,514.95 : x
  2. Step 2: Convert to fraction form
    51,174.34/70,619.74 = 28,514.95/x
  3. Step 3: Cross multiply
    51,174.34x = 70,619.74 × 28,514.95
  4. Step 4: Simplify right side
    51,174.34x = 2,013,718,355.11
  5. Step 5: Solve for x
    x = 2,013,718,355.11/51,174.34
  6. Step 6: Final answer
    x = 39,350.16

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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.