Home / 35,105.28-48,444.16-19,189.68

Finding the Fourth Proportional to 35,105.28, 48,444.16 and 19,189.68

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Solution

The fourth proportional to 35,105.28, 48,444.16 and 19,189.68 is: 26,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.28 : 48,444.16 = 19,189.68 : x
  2. Step 2: Convert to fraction form
    35,105.28/48,444.16 = 19,189.68/x
  3. Step 3: Cross multiply
    35,105.28x = 48,444.16 × 19,189.68
  4. Step 4: Simplify right side
    35,105.28x = 929,627,928.27
  5. Step 5: Solve for x
    x = 929,627,928.27/35,105.28
  6. Step 6: Final answer
    x = 26,481.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.