Home / 38,582.65-57,878.13-12,281.24

Finding the Fourth Proportional to 38,582.65, 57,878.13 and 12,281.24

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Solution

The fourth proportional to 38,582.65, 57,878.13 and 12,281.24 is: 18,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.65 : 57,878.13 = 12,281.24 : x
  2. Step 2: Convert to fraction form
    38,582.65/57,878.13 = 12,281.24/x
  3. Step 3: Cross multiply
    38,582.65x = 57,878.13 × 12,281.24
  4. Step 4: Simplify right side
    38,582.65x = 710,815,205.28
  5. Step 5: Solve for x
    x = 710,815,205.28/38,582.65
  6. Step 6: Final answer
    x = 18,423.18

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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.