Home / 31,192.96-46,821.84-20,876.80

Finding the Fourth Proportional to 31,192.96, 46,821.84 and 20,876.80

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Solution

The fourth proportional to 31,192.96, 46,821.84 and 20,876.80 is: 31,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.96 : 46,821.84 = 20,876.80 : x
  2. Step 2: Convert to fraction form
    31,192.96/46,821.84 = 20,876.80/x
  3. Step 3: Cross multiply
    31,192.96x = 46,821.84 × 20,876.80
  4. Step 4: Simplify right side
    31,192.96x = 977,490,189.31
  5. Step 5: Solve for x
    x = 977,490,189.31/31,192.96
  6. Step 6: Final answer
    x = 31,336.88

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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.