Home / 53,220.92-79,840.78-17,684.36

Finding the Fourth Proportional to 53,220.92, 79,840.78 and 17,684.36

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Solution

The fourth proportional to 53,220.92, 79,840.78 and 17,684.36 is: 26,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.92 : 79,840.78 = 17,684.36 : x
  2. Step 2: Convert to fraction form
    53,220.92/79,840.78 = 17,684.36/x
  3. Step 3: Cross multiply
    53,220.92x = 79,840.78 × 17,684.36
  4. Step 4: Simplify right side
    53,220.92x = 1,411,933,096.20
  5. Step 5: Solve for x
    x = 1,411,933,096.20/53,220.92
  6. Step 6: Final answer
    x = 26,529.66

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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.