Home / 31,406.87-43,338.96-17,975.04

Finding the Fourth Proportional to 31,406.87, 43,338.96 and 17,975.04

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Solution

The fourth proportional to 31,406.87, 43,338.96 and 17,975.04 is: 24,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.87 : 43,338.96 = 17,975.04 : x
  2. Step 2: Convert to fraction form
    31,406.87/43,338.96 = 17,975.04/x
  3. Step 3: Cross multiply
    31,406.87x = 43,338.96 × 17,975.04
  4. Step 4: Simplify right side
    31,406.87x = 779,019,539.56
  5. Step 5: Solve for x
    x = 779,019,539.56/31,406.87
  6. Step 6: Final answer
    x = 24,804.12

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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.