Home / 42,934.52-64,441.07-21,889.65

Finding the Fourth Proportional to 42,934.52, 64,441.07 and 21,889.65

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Solution

The fourth proportional to 42,934.52, 64,441.07 and 21,889.65 is: 32,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,934.52 : 64,441.07 = 21,889.65 : x
  2. Step 2: Convert to fraction form
    42,934.52/64,441.07 = 21,889.65/x
  3. Step 3: Cross multiply
    42,934.52x = 64,441.07 × 21,889.65
  4. Step 4: Simplify right side
    42,934.52x = 1,410,592,358.48
  5. Step 5: Solve for x
    x = 1,410,592,358.48/42,934.52
  6. Step 6: Final answer
    x = 32,854.51

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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.