Home / 37,856.40-56,731.04-20,996.88

Finding the Fourth Proportional to 37,856.40, 56,731.04 and 20,996.88

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Solution

The fourth proportional to 37,856.40, 56,731.04 and 20,996.88 is: 31,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,856.40 : 56,731.04 = 20,996.88 : x
  2. Step 2: Convert to fraction form
    37,856.40/56,731.04 = 20,996.88/x
  3. Step 3: Cross multiply
    37,856.40x = 56,731.04 × 20,996.88
  4. Step 4: Simplify right side
    37,856.40x = 1,191,174,450.52
  5. Step 5: Solve for x
    x = 1,191,174,450.52/37,856.40
  6. Step 6: Final answer
    x = 31,465.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.