Home / 43,357.50-65,034.80-18,381.48

Finding the Fourth Proportional to 43,357.50, 65,034.80 and 18,381.48

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Solution

The fourth proportional to 43,357.50, 65,034.80 and 18,381.48 is: 27,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.50 : 65,034.80 = 18,381.48 : x
  2. Step 2: Convert to fraction form
    43,357.50/65,034.80 = 18,381.48/x
  3. Step 3: Cross multiply
    43,357.50x = 65,034.80 × 18,381.48
  4. Step 4: Simplify right side
    43,357.50x = 1,195,435,875.50
  5. Step 5: Solve for x
    x = 1,195,435,875.50/43,357.50
  6. Step 6: Final answer
    x = 27,571.61

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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.