Home / 38,821.48-58,239.90-12,532.84

Finding the Fourth Proportional to 38,821.48, 58,239.90 and 12,532.84

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Solution

The fourth proportional to 38,821.48, 58,239.90 and 12,532.84 is: 18,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.48 : 58,239.90 = 12,532.84 : x
  2. Step 2: Convert to fraction form
    38,821.48/58,239.90 = 12,532.84/x
  3. Step 3: Cross multiply
    38,821.48x = 58,239.90 × 12,532.84
  4. Step 4: Simplify right side
    38,821.48x = 729,911,348.32
  5. Step 5: Solve for x
    x = 729,911,348.32/38,821.48
  6. Step 6: Final answer
    x = 18,801.74

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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.