Home / 46,436.17-69,639.67-19,781.88

Finding the Fourth Proportional to 46,436.17, 69,639.67 and 19,781.88

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Solution

The fourth proportional to 46,436.17, 69,639.67 and 19,781.88 is: 29,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,436.17 : 69,639.67 = 19,781.88 : x
  2. Step 2: Convert to fraction form
    46,436.17/69,639.67 = 19,781.88/x
  3. Step 3: Cross multiply
    46,436.17x = 69,639.67 × 19,781.88
  4. Step 4: Simplify right side
    46,436.17x = 1,377,603,904.05
  5. Step 5: Solve for x
    x = 1,377,603,904.05/46,436.17
  6. Step 6: Final answer
    x = 29,666.61

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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.