Home / 30,949.27-46,430.16-12,238.18

Finding the Fourth Proportional to 30,949.27, 46,430.16 and 12,238.18

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Solution

The fourth proportional to 30,949.27, 46,430.16 and 12,238.18 is: 18,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.27 : 46,430.16 = 12,238.18 : x
  2. Step 2: Convert to fraction form
    30,949.27/46,430.16 = 12,238.18/x
  3. Step 3: Cross multiply
    30,949.27x = 46,430.16 × 12,238.18
  4. Step 4: Simplify right side
    30,949.27x = 568,220,655.51
  5. Step 5: Solve for x
    x = 568,220,655.51/30,949.27
  6. Step 6: Final answer
    x = 18,359.74

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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.