Home / 40,802.17-61,174.54-15,821.16

Finding the Fourth Proportional to 40,802.17, 61,174.54 and 15,821.16

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Solution

The fourth proportional to 40,802.17, 61,174.54 and 15,821.16 is: 23,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802.17 : 61,174.54 = 15,821.16 : x
  2. Step 2: Convert to fraction form
    40,802.17/61,174.54 = 15,821.16/x
  3. Step 3: Cross multiply
    40,802.17x = 61,174.54 × 15,821.16
  4. Step 4: Simplify right side
    40,802.17x = 967,852,185.27
  5. Step 5: Solve for x
    x = 967,852,185.27/40,802.17
  6. Step 6: Final answer
    x = 23,720.61

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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.