Home / 29,142.81-43,728.80-11,624.94

Finding the Fourth Proportional to 29,142.81, 43,728.80 and 11,624.94

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Solution

The fourth proportional to 29,142.81, 43,728.80 and 11,624.94 is: 17,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.81 : 43,728.80 = 11,624.94 : x
  2. Step 2: Convert to fraction form
    29,142.81/43,728.80 = 11,624.94/x
  3. Step 3: Cross multiply
    29,142.81x = 43,728.80 × 11,624.94
  4. Step 4: Simplify right side
    29,142.81x = 508,344,618.15
  5. Step 5: Solve for x
    x = 508,344,618.15/29,142.81
  6. Step 6: Final answer
    x = 17,443.23

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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.