Home / 30,891.66-46,340.73-10,116.78

Finding the Fourth Proportional to 30,891.66, 46,340.73 and 10,116.78

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Solution

The fourth proportional to 30,891.66, 46,340.73 and 10,116.78 is: 15,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.66 : 46,340.73 = 10,116.78 : x
  2. Step 2: Convert to fraction form
    30,891.66/46,340.73 = 10,116.78/x
  3. Step 3: Cross multiply
    30,891.66x = 46,340.73 × 10,116.78
  4. Step 4: Simplify right side
    30,891.66x = 468,818,970.45
  5. Step 5: Solve for x
    x = 468,818,970.45/30,891.66
  6. Step 6: Final answer
    x = 15,176.23

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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.