Home / 35,829.52-49,439.12-19,913.92

Finding the Fourth Proportional to 35,829.52, 49,439.12 and 19,913.92

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Solution

The fourth proportional to 35,829.52, 49,439.12 and 19,913.92 is: 27,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.52 : 49,439.12 = 19,913.92 : x
  2. Step 2: Convert to fraction form
    35,829.52/49,439.12 = 19,913.92/x
  3. Step 3: Cross multiply
    35,829.52x = 49,439.12 × 19,913.92
  4. Step 4: Simplify right side
    35,829.52x = 984,526,680.55
  5. Step 5: Solve for x
    x = 984,526,680.55/35,829.52
  6. Step 6: Final answer
    x = 27,478.09

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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.