Home / 31,230.90-46,823.46-11,509.80

Finding the Fourth Proportional to 31,230.90, 46,823.46 and 11,509.80

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Solution

The fourth proportional to 31,230.90, 46,823.46 and 11,509.80 is: 17,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.90 : 46,823.46 = 11,509.80 : x
  2. Step 2: Convert to fraction form
    31,230.90/46,823.46 = 11,509.80/x
  3. Step 3: Cross multiply
    31,230.90x = 46,823.46 × 11,509.80
  4. Step 4: Simplify right side
    31,230.90x = 538,928,659.91
  5. Step 5: Solve for x
    x = 538,928,659.91/31,230.90
  6. Step 6: Final answer
    x = 17,256.26

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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.