Home / 38,358.30-57,537.45-12,071.10

Finding the Fourth Proportional to 38,358.30, 57,537.45 and 12,071.10

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Solution

The fourth proportional to 38,358.30, 57,537.45 and 12,071.10 is: 18,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.30 : 57,537.45 = 12,071.10 : x
  2. Step 2: Convert to fraction form
    38,358.30/57,537.45 = 12,071.10/x
  3. Step 3: Cross multiply
    38,358.30x = 57,537.45 × 12,071.10
  4. Step 4: Simplify right side
    38,358.30x = 694,540,312.70
  5. Step 5: Solve for x
    x = 694,540,312.70/38,358.30
  6. Step 6: Final answer
    x = 18,106.65

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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.