Home / 31,215.48-46,830.24-16,431.36

Finding the Fourth Proportional to 31,215.48, 46,830.24 and 16,431.36

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Solution

The fourth proportional to 31,215.48, 46,830.24 and 16,431.36 is: 24,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.48 : 46,830.24 = 16,431.36 : x
  2. Step 2: Convert to fraction form
    31,215.48/46,830.24 = 16,431.36/x
  3. Step 3: Cross multiply
    31,215.48x = 46,830.24 × 16,431.36
  4. Step 4: Simplify right side
    31,215.48x = 769,484,532.33
  5. Step 5: Solve for x
    x = 769,484,532.33/31,215.48
  6. Step 6: Final answer
    x = 24,650.74

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Double scale
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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.