Home / 43,480.62-65,250.15-15,400.57

Finding the Fourth Proportional to 43,480.62, 65,250.15 and 15,400.57

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Solution

The fourth proportional to 43,480.62, 65,250.15 and 15,400.57 is: 23,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,480.62 : 65,250.15 = 15,400.57 : x
  2. Step 2: Convert to fraction form
    43,480.62/65,250.15 = 15,400.57/x
  3. Step 3: Cross multiply
    43,480.62x = 65,250.15 × 15,400.57
  4. Step 4: Simplify right side
    43,480.62x = 1,004,889,502.59
  5. Step 5: Solve for x
    x = 1,004,889,502.59/43,480.62
  6. Step 6: Final answer
    x = 23,111.21

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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.