Home / 37,315.20-51,494.89-20,319.18

Finding the Fourth Proportional to 37,315.20, 51,494.89 and 20,319.18

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Solution

The fourth proportional to 37,315.20, 51,494.89 and 20,319.18 is: 28,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,315.20 : 51,494.89 = 20,319.18 : x
  2. Step 2: Convert to fraction form
    37,315.20/51,494.89 = 20,319.18/x
  3. Step 3: Cross multiply
    37,315.20x = 51,494.89 × 20,319.18
  4. Step 4: Simplify right side
    37,315.20x = 1,046,333,938.99
  5. Step 5: Solve for x
    x = 1,046,333,938.99/37,315.20
  6. Step 6: Final answer
    x = 28,040.42

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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.