Home / 31,350.15-47,041.34-20,827.44

Finding the Fourth Proportional to 31,350.15, 47,041.34 and 20,827.44

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Solution

The fourth proportional to 31,350.15, 47,041.34 and 20,827.44 is: 31,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350.15 : 47,041.34 = 20,827.44 : x
  2. Step 2: Convert to fraction form
    31,350.15/47,041.34 = 20,827.44/x
  3. Step 3: Cross multiply
    31,350.15x = 47,041.34 × 20,827.44
  4. Step 4: Simplify right side
    31,350.15x = 979,750,686.37
  5. Step 5: Solve for x
    x = 979,750,686.37/31,350.15
  6. Step 6: Final answer
    x = 31,251.87

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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.