Home / 69,427.23-95,774.31-40,728.12

Finding the Fourth Proportional to 69,427.23, 95,774.31 and 40,728.12

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Solution

The fourth proportional to 69,427.23, 95,774.31 and 40,728.12 is: 56,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,427.23 : 95,774.31 = 40,728.12 : x
  2. Step 2: Convert to fraction form
    69,427.23/95,774.31 = 40,728.12/x
  3. Step 3: Cross multiply
    69,427.23x = 95,774.31 × 40,728.12
  4. Step 4: Simplify right side
    69,427.23x = 3,900,707,590.60
  5. Step 5: Solve for x
    x = 3,900,707,590.60/69,427.23
  6. Step 6: Final answer
    x = 56,184.12

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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.