Home / 42,936.52-64,444.07-21,891.65

Finding the Fourth Proportional to 42,936.52, 64,444.07 and 21,891.65

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Solution

The fourth proportional to 42,936.52, 64,444.07 and 21,891.65 is: 32,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,936.52 : 64,444.07 = 21,891.65 : x
  2. Step 2: Convert to fraction form
    42,936.52/64,444.07 = 21,891.65/x
  3. Step 3: Cross multiply
    42,936.52x = 64,444.07 × 21,891.65
  4. Step 4: Simplify right side
    42,936.52x = 1,410,787,025.02
  5. Step 5: Solve for x
    x = 1,410,787,025.02/42,936.52
  6. Step 6: Final answer
    x = 32,857.51

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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.