Home / 30,906.18-46,356.84-8,718.66

Finding the Fourth Proportional to 30,906.18, 46,356.84 and 8,718.66

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Solution

The fourth proportional to 30,906.18, 46,356.84 and 8,718.66 is: 13,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.18 : 46,356.84 = 8,718.66 : x
  2. Step 2: Convert to fraction form
    30,906.18/46,356.84 = 8,718.66/x
  3. Step 3: Cross multiply
    30,906.18x = 46,356.84 × 8,718.66
  4. Step 4: Simplify right side
    30,906.18x = 404,169,526.63
  5. Step 5: Solve for x
    x = 404,169,526.63/30,906.18
  6. Step 6: Final answer
    x = 13,077.30

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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.