Home / 31,243.19-46,869.24-11,520.22

Finding the Fourth Proportional to 31,243.19, 46,869.24 and 11,520.22

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Solution

The fourth proportional to 31,243.19, 46,869.24 and 11,520.22 is: 17,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.19 : 46,869.24 = 11,520.22 : x
  2. Step 2: Convert to fraction form
    31,243.19/46,869.24 = 11,520.22/x
  3. Step 3: Cross multiply
    31,243.19x = 46,869.24 × 11,520.22
  4. Step 4: Simplify right side
    31,243.19x = 539,943,838.86
  5. Step 5: Solve for x
    x = 539,943,838.86/31,243.19
  6. Step 6: Final answer
    x = 17,281.97

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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.