Home / 38,821.20-58,275.60-25,699.20

Finding the Fourth Proportional to 38,821.20, 58,275.60 and 25,699.20

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Solution

The fourth proportional to 38,821.20, 58,275.60 and 25,699.20 is: 38,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.20 : 58,275.60 = 25,699.20 : x
  2. Step 2: Convert to fraction form
    38,821.20/58,275.60 = 25,699.20/x
  3. Step 3: Cross multiply
    38,821.20x = 58,275.60 × 25,699.20
  4. Step 4: Simplify right side
    38,821.20x = 1,497,636,299.52
  5. Step 5: Solve for x
    x = 1,497,636,299.52/38,821.20
  6. Step 6: Final answer
    x = 38,577.80

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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.