Home / 36,012.87-54,024.30-12,641.13

Finding the Fourth Proportional to 36,012.87, 54,024.30 and 12,641.13

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Solution

The fourth proportional to 36,012.87, 54,024.30 and 12,641.13 is: 18,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.87 : 54,024.30 = 12,641.13 : x
  2. Step 2: Convert to fraction form
    36,012.87/54,024.30 = 12,641.13/x
  3. Step 3: Cross multiply
    36,012.87x = 54,024.30 × 12,641.13
  4. Step 4: Simplify right side
    36,012.87x = 682,928,199.46
  5. Step 5: Solve for x
    x = 682,928,199.46/36,012.87
  6. Step 6: Final answer
    x = 18,963.45

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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.