Home / 32,138.03-44,345.21-20,192.91

Finding the Fourth Proportional to 32,138.03, 44,345.21 and 20,192.91

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Solution

The fourth proportional to 32,138.03, 44,345.21 and 20,192.91 is: 27,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.03 : 44,345.21 = 20,192.91 : x
  2. Step 2: Convert to fraction form
    32,138.03/44,345.21 = 20,192.91/x
  3. Step 3: Cross multiply
    32,138.03x = 44,345.21 × 20,192.91
  4. Step 4: Simplify right side
    32,138.03x = 895,458,567.20
  5. Step 5: Solve for x
    x = 895,458,567.20/32,138.03
  6. Step 6: Final answer
    x = 27,862.89

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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.