Home / 30,959.08-46,440.61-8,774.21

Finding the Fourth Proportional to 30,959.08, 46,440.61 and 8,774.21

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Solution

The fourth proportional to 30,959.08, 46,440.61 and 8,774.21 is: 13,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.08 : 46,440.61 = 8,774.21 : x
  2. Step 2: Convert to fraction form
    30,959.08/46,440.61 = 8,774.21/x
  3. Step 3: Cross multiply
    30,959.08x = 46,440.61 × 8,774.21
  4. Step 4: Simplify right side
    30,959.08x = 407,479,758.83
  5. Step 5: Solve for x
    x = 407,479,758.83/30,959.08
  6. Step 6: Final answer
    x = 13,161.88

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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.