Home / 30,806.31-46,209.57-7,432.75

Finding the Fourth Proportional to 30,806.31, 46,209.57 and 7,432.75

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Solution

The fourth proportional to 30,806.31, 46,209.57 and 7,432.75 is: 11,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.31 : 46,209.57 = 7,432.75 : x
  2. Step 2: Convert to fraction form
    30,806.31/46,209.57 = 7,432.75/x
  3. Step 3: Cross multiply
    30,806.31x = 46,209.57 × 7,432.75
  4. Step 4: Simplify right side
    30,806.31x = 343,464,181.42
  5. Step 5: Solve for x
    x = 343,464,181.42/30,806.31
  6. Step 6: Final answer
    x = 11,149.15

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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.