Home / 50,720.26-69,999.22-29,210.78

Finding the Fourth Proportional to 50,720.26, 69,999.22 and 29,210.78

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Solution

The fourth proportional to 50,720.26, 69,999.22 and 29,210.78 is: 40,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.26 : 69,999.22 = 29,210.78 : x
  2. Step 2: Convert to fraction form
    50,720.26/69,999.22 = 29,210.78/x
  3. Step 3: Cross multiply
    50,720.26x = 69,999.22 × 29,210.78
  4. Step 4: Simplify right side
    50,720.26x = 2,044,731,815.59
  5. Step 5: Solve for x
    x = 2,044,731,815.59/50,720.26
  6. Step 6: Final answer
    x = 40,313.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.