Home / 36,206.08-54,312.96-15,431.68

Finding the Fourth Proportional to 36,206.08, 54,312.96 and 15,431.68

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Solution

The fourth proportional to 36,206.08, 54,312.96 and 15,431.68 is: 23,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.08 : 54,312.96 = 15,431.68 : x
  2. Step 2: Convert to fraction form
    36,206.08/54,312.96 = 15,431.68/x
  3. Step 3: Cross multiply
    36,206.08x = 54,312.96 × 15,431.68
  4. Step 4: Simplify right side
    36,206.08x = 838,140,218.57
  5. Step 5: Solve for x
    x = 838,140,218.57/36,206.08
  6. Step 6: Final answer
    x = 23,149.16

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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.