Home / 30,833.29-46,313.06-20,318.39

Finding the Fourth Proportional to 30,833.29, 46,313.06 and 20,318.39

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Solution

The fourth proportional to 30,833.29, 46,313.06 and 20,318.39 is: 30,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.29 : 46,313.06 = 20,318.39 : x
  2. Step 2: Convert to fraction form
    30,833.29/46,313.06 = 20,318.39/x
  3. Step 3: Cross multiply
    30,833.29x = 46,313.06 × 20,318.39
  4. Step 4: Simplify right side
    30,833.29x = 941,006,815.17
  5. Step 5: Solve for x
    x = 941,006,815.17/30,833.29
  6. Step 6: Final answer
    x = 30,519.18

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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.