Home / 31,236.87-43,101.86-17,808.15

Finding the Fourth Proportional to 31,236.87, 43,101.86 and 17,808.15

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Solution

The fourth proportional to 31,236.87, 43,101.86 and 17,808.15 is: 24,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.87 : 43,101.86 = 17,808.15 : x
  2. Step 2: Convert to fraction form
    31,236.87/43,101.86 = 17,808.15/x
  3. Step 3: Cross multiply
    31,236.87x = 43,101.86 × 17,808.15
  4. Step 4: Simplify right side
    31,236.87x = 767,564,299.12
  5. Step 5: Solve for x
    x = 767,564,299.12/31,236.87
  6. Step 6: Final answer
    x = 24,572.38

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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.