Home / 31,315.32-46,861.20-27,203.76

Finding the Fourth Proportional to 31,315.32, 46,861.20 and 27,203.76

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Solution

The fourth proportional to 31,315.32, 46,861.20 and 27,203.76 is: 40,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.32 : 46,861.20 = 27,203.76 : x
  2. Step 2: Convert to fraction form
    31,315.32/46,861.20 = 27,203.76/x
  3. Step 3: Cross multiply
    31,315.32x = 46,861.20 × 27,203.76
  4. Step 4: Simplify right side
    31,315.32x = 1,274,800,838.11
  5. Step 5: Solve for x
    x = 1,274,800,838.11/31,315.32
  6. Step 6: Final answer
    x = 40,708.54

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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.