Home / 30,909.11-46,372.31-10,147.19

Finding the Fourth Proportional to 30,909.11, 46,372.31 and 10,147.19

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Solution

The fourth proportional to 30,909.11, 46,372.31 and 10,147.19 is: 15,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.11 : 46,372.31 = 10,147.19 : x
  2. Step 2: Convert to fraction form
    30,909.11/46,372.31 = 10,147.19/x
  3. Step 3: Cross multiply
    30,909.11x = 46,372.31 × 10,147.19
  4. Step 4: Simplify right side
    30,909.11x = 470,548,640.31
  5. Step 5: Solve for x
    x = 470,548,640.31/30,909.11
  6. Step 6: Final answer
    x = 15,223.62

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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.