Home / 37,286.67-51,455.69-20,290.91

Finding the Fourth Proportional to 37,286.67, 51,455.69 and 20,290.91

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Solution

The fourth proportional to 37,286.67, 51,455.69 and 20,290.91 is: 28,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.67 : 51,455.69 = 20,290.91 : x
  2. Step 2: Convert to fraction form
    37,286.67/51,455.69 = 20,290.91/x
  3. Step 3: Cross multiply
    37,286.67x = 51,455.69 × 20,290.91
  4. Step 4: Simplify right side
    37,286.67x = 1,044,082,568.23
  5. Step 5: Solve for x
    x = 1,044,082,568.23/37,286.67
  6. Step 6: Final answer
    x = 28,001.50

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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.