Home / 36,320.19-54,480.28-12,930.22

Finding the Fourth Proportional to 36,320.19, 54,480.28 and 12,930.22

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Solution

The fourth proportional to 36,320.19, 54,480.28 and 12,930.22 is: 19,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.19 : 54,480.28 = 12,930.22 : x
  2. Step 2: Convert to fraction form
    36,320.19/54,480.28 = 12,930.22/x
  3. Step 3: Cross multiply
    36,320.19x = 54,480.28 × 12,930.22
  4. Step 4: Simplify right side
    36,320.19x = 704,442,006.06
  5. Step 5: Solve for x
    x = 704,442,006.06/36,320.19
  6. Step 6: Final answer
    x = 19,395.33

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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.