Home / 29,590.36-40,806.26-19,921.62

Finding the Fourth Proportional to 29,590.36, 40,806.26 and 19,921.62

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Solution

The fourth proportional to 29,590.36, 40,806.26 and 19,921.62 is: 27,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,590.36 : 40,806.26 = 19,921.62 : x
  2. Step 2: Convert to fraction form
    29,590.36/40,806.26 = 19,921.62/x
  3. Step 3: Cross multiply
    29,590.36x = 40,806.26 × 19,921.62
  4. Step 4: Simplify right side
    29,590.36x = 812,926,805.34
  5. Step 5: Solve for x
    x = 812,926,805.34/29,590.36
  6. Step 6: Final answer
    x = 27,472.69

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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.