Home / 37,282.02-51,449.18-20,515.02

Finding the Fourth Proportional to 37,282.02, 51,449.18 and 20,515.02

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Solution

The fourth proportional to 37,282.02, 51,449.18 and 20,515.02 is: 28,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,282.02 : 51,449.18 = 20,515.02 : x
  2. Step 2: Convert to fraction form
    37,282.02/51,449.18 = 20,515.02/x
  3. Step 3: Cross multiply
    37,282.02x = 51,449.18 × 20,515.02
  4. Step 4: Simplify right side
    37,282.02x = 1,055,480,699.44
  5. Step 5: Solve for x
    x = 1,055,480,699.44/37,282.02
  6. Step 6: Final answer
    x = 28,310.72

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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.