Home / 29,308.08-43,931.10-9,581.28

Finding the Fourth Proportional to 29,308.08, 43,931.10 and 9,581.28

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Solution

The fourth proportional to 29,308.08, 43,931.10 and 9,581.28 is: 14,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.08 : 43,931.10 = 9,581.28 : x
  2. Step 2: Convert to fraction form
    29,308.08/43,931.10 = 9,581.28/x
  3. Step 3: Cross multiply
    29,308.08x = 43,931.10 × 9,581.28
  4. Step 4: Simplify right side
    29,308.08x = 420,916,169.81
  5. Step 5: Solve for x
    x = 420,916,169.81/29,308.08
  6. Step 6: Final answer
    x = 14,361.78

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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.