Home / 31,328.91-46,934.51-15,515.55

Finding the Fourth Proportional to 31,328.91, 46,934.51 and 15,515.55

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Solution

The fourth proportional to 31,328.91, 46,934.51 and 15,515.55 is: 23,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.91 : 46,934.51 = 15,515.55 : x
  2. Step 2: Convert to fraction form
    31,328.91/46,934.51 = 15,515.55/x
  3. Step 3: Cross multiply
    31,328.91x = 46,934.51 × 15,515.55
  4. Step 4: Simplify right side
    31,328.91x = 728,214,659.05
  5. Step 5: Solve for x
    x = 728,214,659.05/31,328.91
  6. Step 6: Final answer
    x = 23,244.17

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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.