Home / 40,946.12-61,305.13-20,912.23

Finding the Fourth Proportional to 40,946.12, 61,305.13 and 20,912.23

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Solution

The fourth proportional to 40,946.12, 61,305.13 and 20,912.23 is: 31,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,946.12 : 61,305.13 = 20,912.23 : x
  2. Step 2: Convert to fraction form
    40,946.12/61,305.13 = 20,912.23/x
  3. Step 3: Cross multiply
    40,946.12x = 61,305.13 × 20,912.23
  4. Step 4: Simplify right side
    40,946.12x = 1,282,026,773.20
  5. Step 5: Solve for x
    x = 1,282,026,773.20/40,946.12
  6. Step 6: Final answer
    x = 31,310.10

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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.