Home / 38,569.10-57,851.22-12,292.70

Finding the Fourth Proportional to 38,569.10, 57,851.22 and 12,292.70

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Solution

The fourth proportional to 38,569.10, 57,851.22 and 12,292.70 is: 18,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.10 : 57,851.22 = 12,292.70 : x
  2. Step 2: Convert to fraction form
    38,569.10/57,851.22 = 12,292.70/x
  3. Step 3: Cross multiply
    38,569.10x = 57,851.22 × 12,292.70
  4. Step 4: Simplify right side
    38,569.10x = 711,147,692.09
  5. Step 5: Solve for x
    x = 711,147,692.09/38,569.10
  6. Step 6: Final answer
    x = 18,438.28

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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.