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Finding the Fourth Proportional to 29,963.66, 44,945.13 and 7,775.06

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Solution

The fourth proportional to 29,963.66, 44,945.13 and 7,775.06 is: 11,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,963.66 : 44,945.13 = 7,775.06 : x
  2. Step 2: Convert to fraction form
    29,963.66/44,945.13 = 7,775.06/x
  3. Step 3: Cross multiply
    29,963.66x = 44,945.13 × 7,775.06
  4. Step 4: Simplify right side
    29,963.66x = 349,451,082.46
  5. Step 5: Solve for x
    x = 349,451,082.46/29,963.66
  6. Step 6: Final answer
    x = 11,662.50

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1.5x scale

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.