Home / 53,333.14-79,930.44-21,706.32

Finding the Fourth Proportional to 53,333.14, 79,930.44 and 21,706.32

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Solution

The fourth proportional to 53,333.14, 79,930.44 and 21,706.32 is: 32,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,333.14 : 79,930.44 = 21,706.32 : x
  2. Step 2: Convert to fraction form
    53,333.14/79,930.44 = 21,706.32/x
  3. Step 3: Cross multiply
    53,333.14x = 79,930.44 × 21,706.32
  4. Step 4: Simplify right side
    53,333.14x = 1,734,995,708.38
  5. Step 5: Solve for x
    x = 1,734,995,708.38/53,333.14
  6. Step 6: Final answer
    x = 32,531.29

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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.