Home / 44,381.72-66,571.86-13,215.80

Finding the Fourth Proportional to 44,381.72, 66,571.86 and 13,215.80

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Solution

The fourth proportional to 44,381.72, 66,571.86 and 13,215.80 is: 19,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,381.72 : 66,571.86 = 13,215.80 : x
  2. Step 2: Convert to fraction form
    44,381.72/66,571.86 = 13,215.80/x
  3. Step 3: Cross multiply
    44,381.72x = 66,571.86 × 13,215.80
  4. Step 4: Simplify right side
    44,381.72x = 879,800,387.39
  5. Step 5: Solve for x
    x = 879,800,387.39/44,381.72
  6. Step 6: Final answer
    x = 19,823.49

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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.