Home / 36,047.57-54,069.71-12,357.21

Finding the Fourth Proportional to 36,047.57, 54,069.71 and 12,357.21

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Solution

The fourth proportional to 36,047.57, 54,069.71 and 12,357.21 is: 18,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.57 : 54,069.71 = 12,357.21 : x
  2. Step 2: Convert to fraction form
    36,047.57/54,069.71 = 12,357.21/x
  3. Step 3: Cross multiply
    36,047.57x = 54,069.71 × 12,357.21
  4. Step 4: Simplify right side
    36,047.57x = 668,150,971.59
  5. Step 5: Solve for x
    x = 668,150,971.59/36,047.57
  6. Step 6: Final answer
    x = 18,535.26

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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.