Home / 37,405.38-51,620.50-20,639.46

Finding the Fourth Proportional to 37,405.38, 51,620.50 and 20,639.46

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Solution

The fourth proportional to 37,405.38, 51,620.50 and 20,639.46 is: 28,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,405.38 : 51,620.50 = 20,639.46 : x
  2. Step 2: Convert to fraction form
    37,405.38/51,620.50 = 20,639.46/x
  3. Step 3: Cross multiply
    37,405.38x = 51,620.50 × 20,639.46
  4. Step 4: Simplify right side
    37,405.38x = 1,065,418,935.23
  5. Step 5: Solve for x
    x = 1,065,418,935.23/37,405.38
  6. Step 6: Final answer
    x = 28,483.04

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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.