Home / 29,313.28-43,965.32-9,320.15

Finding the Fourth Proportional to 29,313.28, 43,965.32 and 9,320.15

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Solution

The fourth proportional to 29,313.28, 43,965.32 and 9,320.15 is: 13,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.28 : 43,965.32 = 9,320.15 : x
  2. Step 2: Convert to fraction form
    29,313.28/43,965.32 = 9,320.15/x
  3. Step 3: Cross multiply
    29,313.28x = 43,965.32 × 9,320.15
  4. Step 4: Simplify right side
    29,313.28x = 409,763,377.20
  5. Step 5: Solve for x
    x = 409,763,377.20/29,313.28
  6. Step 6: Final answer
    x = 13,978.76

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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.