Home / 69,534.06-104,308.38-19,613.76

Finding the Fourth Proportional to 69,534.06, 104,308.38 and 19,613.76

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Solution

The fourth proportional to 69,534.06, 104,308.38 and 19,613.76 is: 29,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,534.06 : 104,308.38 = 19,613.76 : x
  2. Step 2: Convert to fraction form
    69,534.06/104,308.38 = 19,613.76/x
  3. Step 3: Cross multiply
    69,534.06x = 104,308.38 × 19,613.76
  4. Step 4: Simplify right side
    69,534.06x = 2,045,879,531.31
  5. Step 5: Solve for x
    x = 2,045,879,531.31/69,534.06
  6. Step 6: Final answer
    x = 29,422.70

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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.