Home / 35,731.92-49,309.68-19,816.24

Finding the Fourth Proportional to 35,731.92, 49,309.68 and 19,816.24

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Solution

The fourth proportional to 35,731.92, 49,309.68 and 19,816.24 is: 27,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.92 : 49,309.68 = 19,816.24 : x
  2. Step 2: Convert to fraction form
    35,731.92/49,309.68 = 19,816.24/x
  3. Step 3: Cross multiply
    35,731.92x = 49,309.68 × 19,816.24
  4. Step 4: Simplify right side
    35,731.92x = 977,132,453.20
  5. Step 5: Solve for x
    x = 977,132,453.20/35,731.92
  6. Step 6: Final answer
    x = 27,346.21

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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.