Home / 37,446.32-51,677.16-20,679.68

Finding the Fourth Proportional to 37,446.32, 51,677.16 and 20,679.68

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Solution

The fourth proportional to 37,446.32, 51,677.16 and 20,679.68 is: 28,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,446.32 : 51,677.16 = 20,679.68 : x
  2. Step 2: Convert to fraction form
    37,446.32/51,677.16 = 20,679.68/x
  3. Step 3: Cross multiply
    37,446.32x = 51,677.16 × 20,679.68
  4. Step 4: Simplify right side
    37,446.32x = 1,068,667,132.11
  5. Step 5: Solve for x
    x = 1,068,667,132.11/37,446.32
  6. Step 6: Final answer
    x = 28,538.64

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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.