Home / 31,232.02-43,103.15-17,086.99

Finding the Fourth Proportional to 31,232.02, 43,103.15 and 17,086.99

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Solution

The fourth proportional to 31,232.02, 43,103.15 and 17,086.99 is: 23,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232.02 : 43,103.15 = 17,086.99 : x
  2. Step 2: Convert to fraction form
    31,232.02/43,103.15 = 17,086.99/x
  3. Step 3: Cross multiply
    31,232.02x = 43,103.15 × 17,086.99
  4. Step 4: Simplify right side
    31,232.02x = 736,503,027.98
  5. Step 5: Solve for x
    x = 736,503,027.98/31,232.02
  6. Step 6: Final answer
    x = 23,581.67

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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.