Home / 29,112-40,176.64-16,192.80

Finding the Fourth Proportional to 29,112, 40,176.64 and 16,192.80

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Solution

The fourth proportional to 29,112, 40,176.64 and 16,192.80 is: 22,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112 : 40,176.64 = 16,192.80 : x
  2. Step 2: Convert to fraction form
    29,112/40,176.64 = 16,192.80/x
  3. Step 3: Cross multiply
    29,112x = 40,176.64 × 16,192.80
  4. Step 4: Simplify right side
    29,112x = 650,572,296.19
  5. Step 5: Solve for x
    x = 650,572,296.19/29,112
  6. Step 6: Final answer
    x = 22,347.22

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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.