Home / 36,569.19-54,853.83-12,871.20

Finding the Fourth Proportional to 36,569.19, 54,853.83 and 12,871.20

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Solution

The fourth proportional to 36,569.19, 54,853.83 and 12,871.20 is: 19,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,569.19 : 54,853.83 = 12,871.20 : x
  2. Step 2: Convert to fraction form
    36,569.19/54,853.83 = 12,871.20/x
  3. Step 3: Cross multiply
    36,569.19x = 54,853.83 × 12,871.20
  4. Step 4: Simplify right side
    36,569.19x = 706,034,616.70
  5. Step 5: Solve for x
    x = 706,034,616.70/36,569.19
  6. Step 6: Final answer
    x = 19,306.82

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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.