Home / 31,108.90-46,663.13-8,922.30

Finding the Fourth Proportional to 31,108.90, 46,663.13 and 8,922.30

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Solution

The fourth proportional to 31,108.90, 46,663.13 and 8,922.30 is: 13,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.90 : 46,663.13 = 8,922.30 : x
  2. Step 2: Convert to fraction form
    31,108.90/46,663.13 = 8,922.30/x
  3. Step 3: Cross multiply
    31,108.90x = 46,663.13 × 8,922.30
  4. Step 4: Simplify right side
    31,108.90x = 416,342,444.80
  5. Step 5: Solve for x
    x = 416,342,444.80/31,108.90
  6. Step 6: Final answer
    x = 13,383.39

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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.