Home / 71,346.02-106,991.48-21,414.38

Finding the Fourth Proportional to 71,346.02, 106,991.48 and 21,414.38

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Solution

The fourth proportional to 71,346.02, 106,991.48 and 21,414.38 is: 32,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,346.02 : 106,991.48 = 21,414.38 : x
  2. Step 2: Convert to fraction form
    71,346.02/106,991.48 = 21,414.38/x
  3. Step 3: Cross multiply
    71,346.02x = 106,991.48 × 21,414.38
  4. Step 4: Simplify right side
    71,346.02x = 2,291,155,728.06
  5. Step 5: Solve for x
    x = 2,291,155,728.06/71,346.02
  6. Step 6: Final answer
    x = 32,113.30

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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.