Home / 30,222.72-41,693.76-17,640

Finding the Fourth Proportional to 30,222.72, 41,693.76 and 17,640

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Solution

The fourth proportional to 30,222.72, 41,693.76 and 17,640 is: 24,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.72 : 41,693.76 = 17,640 : x
  2. Step 2: Convert to fraction form
    30,222.72/41,693.76 = 17,640/x
  3. Step 3: Cross multiply
    30,222.72x = 41,693.76 × 17,640
  4. Step 4: Simplify right side
    30,222.72x = 735,477,926.40
  5. Step 5: Solve for x
    x = 735,477,926.40/30,222.72
  6. Step 6: Final answer
    x = 24,335.27

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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.