Home / 29,182.72-43,724.40-19,802.56

Finding the Fourth Proportional to 29,182.72, 43,724.40 and 19,802.56

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Solution

The fourth proportional to 29,182.72, 43,724.40 and 19,802.56 is: 29,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,182.72 : 43,724.40 = 19,802.56 : x
  2. Step 2: Convert to fraction form
    29,182.72/43,724.40 = 19,802.56/x
  3. Step 3: Cross multiply
    29,182.72x = 43,724.40 × 19,802.56
  4. Step 4: Simplify right side
    29,182.72x = 865,855,054.46
  5. Step 5: Solve for x
    x = 865,855,054.46/29,182.72
  6. Step 6: Final answer
    x = 29,670.13

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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.