Home / 37,311.96-51,490.40-20,315.92

Finding the Fourth Proportional to 37,311.96, 51,490.40 and 20,315.92

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Solution

The fourth proportional to 37,311.96, 51,490.40 and 20,315.92 is: 28,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,311.96 : 51,490.40 = 20,315.92 : x
  2. Step 2: Convert to fraction form
    37,311.96/51,490.40 = 20,315.92/x
  3. Step 3: Cross multiply
    37,311.96x = 51,490.40 × 20,315.92
  4. Step 4: Simplify right side
    37,311.96x = 1,046,074,847.17
  5. Step 5: Solve for x
    x = 1,046,074,847.17/37,311.96
  6. Step 6: Final answer
    x = 28,035.91

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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.