Home / 31,396.41-43,333.18-19,465.11

Finding the Fourth Proportional to 31,396.41, 43,333.18 and 19,465.11

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Solution

The fourth proportional to 31,396.41, 43,333.18 and 19,465.11 is: 26,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.41 : 43,333.18 = 19,465.11 : x
  2. Step 2: Convert to fraction form
    31,396.41/43,333.18 = 19,465.11/x
  3. Step 3: Cross multiply
    31,396.41x = 43,333.18 × 19,465.11
  4. Step 4: Simplify right side
    31,396.41x = 843,485,066.69
  5. Step 5: Solve for x
    x = 843,485,066.69/31,396.41
  6. Step 6: Final answer
    x = 26,865.65

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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.