Home / 30,740.90-46,081.83-19,616.18

Finding the Fourth Proportional to 30,740.90, 46,081.83 and 19,616.18

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Solution

The fourth proportional to 30,740.90, 46,081.83 and 19,616.18 is: 29,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.90 : 46,081.83 = 19,616.18 : x
  2. Step 2: Convert to fraction form
    30,740.90/46,081.83 = 19,616.18/x
  3. Step 3: Cross multiply
    30,740.90x = 46,081.83 × 19,616.18
  4. Step 4: Simplify right side
    30,740.90x = 903,949,472.01
  5. Step 5: Solve for x
    x = 903,949,472.01/30,740.90
  6. Step 6: Final answer
    x = 29,405.43

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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.