Home / 38,287.09-52,836.65-21,519.73

Finding the Fourth Proportional to 38,287.09, 52,836.65 and 21,519.73

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Solution

The fourth proportional to 38,287.09, 52,836.65 and 21,519.73 is: 29,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.09 : 52,836.65 = 21,519.73 : x
  2. Step 2: Convert to fraction form
    38,287.09/52,836.65 = 21,519.73/x
  3. Step 3: Cross multiply
    38,287.09x = 52,836.65 × 21,519.73
  4. Step 4: Simplify right side
    38,287.09x = 1,137,030,442.10
  5. Step 5: Solve for x
    x = 1,137,030,442.10/38,287.09
  6. Step 6: Final answer
    x = 29,697.49

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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.