Home / 66,004.20-91,026.72-51,832.44

Finding the Fourth Proportional to 66,004.20, 91,026.72 and 51,832.44

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Solution

The fourth proportional to 66,004.20, 91,026.72 and 51,832.44 is: 71,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.20 : 91,026.72 = 51,832.44 : x
  2. Step 2: Convert to fraction form
    66,004.20/91,026.72 = 51,832.44/x
  3. Step 3: Cross multiply
    66,004.20x = 91,026.72 × 51,832.44
  4. Step 4: Simplify right side
    66,004.20x = 4,718,137,002.80
  5. Step 5: Solve for x
    x = 4,718,137,002.80/66,004.20
  6. Step 6: Final answer
    x = 71,482.38

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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.