Home / 30,672.20-46,008.30-9,895.70

Finding the Fourth Proportional to 30,672.20, 46,008.30 and 9,895.70

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Solution

The fourth proportional to 30,672.20, 46,008.30 and 9,895.70 is: 14,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.20 : 46,008.30 = 9,895.70 : x
  2. Step 2: Convert to fraction form
    30,672.20/46,008.30 = 9,895.70/x
  3. Step 3: Cross multiply
    30,672.20x = 46,008.30 × 9,895.70
  4. Step 4: Simplify right side
    30,672.20x = 455,284,334.31
  5. Step 5: Solve for x
    x = 455,284,334.31/30,672.20
  6. Step 6: Final answer
    x = 14,843.55

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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.