Home / 37,287.67-51,457.07-20,291.91

Finding the Fourth Proportional to 37,287.67, 51,457.07 and 20,291.91

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Solution

The fourth proportional to 37,287.67, 51,457.07 and 20,291.91 is: 28,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,287.67 : 51,457.07 = 20,291.91 : x
  2. Step 2: Convert to fraction form
    37,287.67/51,457.07 = 20,291.91/x
  3. Step 3: Cross multiply
    37,287.67x = 51,457.07 × 20,291.91
  4. Step 4: Simplify right side
    37,287.67x = 1,044,162,233.30
  5. Step 5: Solve for x
    x = 1,044,162,233.30/37,287.67
  6. Step 6: Final answer
    x = 28,002.88

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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.