Home / 35,727.28-49,303.49-19,811.69

Finding the Fourth Proportional to 35,727.28, 49,303.49 and 19,811.69

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Solution

The fourth proportional to 35,727.28, 49,303.49 and 19,811.69 is: 27,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727.28 : 49,303.49 = 19,811.69 : x
  2. Step 2: Convert to fraction form
    35,727.28/49,303.49 = 19,811.69/x
  3. Step 3: Cross multiply
    35,727.28x = 49,303.49 × 19,811.69
  4. Step 4: Simplify right side
    35,727.28x = 976,785,299.11
  5. Step 5: Solve for x
    x = 976,785,299.11/35,727.28
  6. Step 6: Final answer
    x = 27,340.04

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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.