Home / 43,452.95-65,180.57-13,870.75

Finding the Fourth Proportional to 43,452.95, 65,180.57 and 13,870.75

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Solution

The fourth proportional to 43,452.95, 65,180.57 and 13,870.75 is: 20,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,452.95 : 65,180.57 = 13,870.75 : x
  2. Step 2: Convert to fraction form
    43,452.95/65,180.57 = 13,870.75/x
  3. Step 3: Cross multiply
    43,452.95x = 65,180.57 × 13,870.75
  4. Step 4: Simplify right side
    43,452.95x = 904,103,391.33
  5. Step 5: Solve for x
    x = 904,103,391.33/43,452.95
  6. Step 6: Final answer
    x = 20,806.49

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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.