Home / 31,005.90-42,792.30-17,582.04

Finding the Fourth Proportional to 31,005.90, 42,792.30 and 17,582.04

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Solution

The fourth proportional to 31,005.90, 42,792.30 and 17,582.04 is: 24,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005.90 : 42,792.30 = 17,582.04 : x
  2. Step 2: Convert to fraction form
    31,005.90/42,792.30 = 17,582.04/x
  3. Step 3: Cross multiply
    31,005.90x = 42,792.30 × 17,582.04
  4. Step 4: Simplify right side
    31,005.90x = 752,375,930.29
  5. Step 5: Solve for x
    x = 752,375,930.29/31,005.90
  6. Step 6: Final answer
    x = 24,265.57

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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.