Home / 69,979.61-105,010.07-29,450.14

Finding the Fourth Proportional to 69,979.61, 105,010.07 and 29,450.14

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Solution

The fourth proportional to 69,979.61, 105,010.07 and 29,450.14 is: 44,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979.61 : 105,010.07 = 29,450.14 : x
  2. Step 2: Convert to fraction form
    69,979.61/105,010.07 = 29,450.14/x
  3. Step 3: Cross multiply
    69,979.61x = 105,010.07 × 29,450.14
  4. Step 4: Simplify right side
    69,979.61x = 3,092,561,262.91
  5. Step 5: Solve for x
    x = 3,092,561,262.91/69,979.61
  6. Step 6: Final answer
    x = 44,192.32

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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.