Home / 32,947.26-45,488.22-21,636.84

Finding the Fourth Proportional to 32,947.26, 45,488.22 and 21,636.84

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Solution

The fourth proportional to 32,947.26, 45,488.22 and 21,636.84 is: 29,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,947.26 : 45,488.22 = 21,636.84 : x
  2. Step 2: Convert to fraction form
    32,947.26/45,488.22 = 21,636.84/x
  3. Step 3: Cross multiply
    32,947.26x = 45,488.22 × 21,636.84
  4. Step 4: Simplify right side
    32,947.26x = 984,221,338.02
  5. Step 5: Solve for x
    x = 984,221,338.02/32,947.26
  6. Step 6: Final answer
    x = 29,872.63

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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.