Home / 38,596.03-57,887.16-20,818.42

Finding the Fourth Proportional to 38,596.03, 57,887.16 and 20,818.42

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Solution

The fourth proportional to 38,596.03, 57,887.16 and 20,818.42 is: 31,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,596.03 : 57,887.16 = 20,818.42 : x
  2. Step 2: Convert to fraction form
    38,596.03/57,887.16 = 20,818.42/x
  3. Step 3: Cross multiply
    38,596.03x = 57,887.16 × 20,818.42
  4. Step 4: Simplify right side
    38,596.03x = 1,205,119,209.49
  5. Step 5: Solve for x
    x = 1,205,119,209.49/38,596.03
  6. Step 6: Final answer
    x = 31,223.92

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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.