Home / 37,276.38-51,442.02-20,280.96

Finding the Fourth Proportional to 37,276.38, 51,442.02 and 20,280.96

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Solution

The fourth proportional to 37,276.38, 51,442.02 and 20,280.96 is: 27,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.38 : 51,442.02 = 20,280.96 : x
  2. Step 2: Convert to fraction form
    37,276.38/51,442.02 = 20,280.96/x
  3. Step 3: Cross multiply
    37,276.38x = 51,442.02 × 20,280.96
  4. Step 4: Simplify right side
    37,276.38x = 1,043,293,549.94
  5. Step 5: Solve for x
    x = 1,043,293,549.94/37,276.38
  6. Step 6: Final answer
    x = 27,988.06

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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.