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Finding the Fourth Proportional to 29,365.28, 44,047.53 and 7,178.84

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Solution

The fourth proportional to 29,365.28, 44,047.53 and 7,178.84 is: 10,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.28 : 44,047.53 = 7,178.84 : x
  2. Step 2: Convert to fraction form
    29,365.28/44,047.53 = 7,178.84/x
  3. Step 3: Cross multiply
    29,365.28x = 44,047.53 × 7,178.84
  4. Step 4: Simplify right side
    29,365.28x = 316,210,170.27
  5. Step 5: Solve for x
    x = 316,210,170.27/29,365.28
  6. Step 6: Final answer
    x = 10,768.16

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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.