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Finding the Fourth Proportional to 39,995, 55,193.10 and 23,229.08

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Solution

The fourth proportional to 39,995, 55,193.10 and 23,229.08 is: 32,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995 : 55,193.10 = 23,229.08 : x
  2. Step 2: Convert to fraction form
    39,995/55,193.10 = 23,229.08/x
  3. Step 3: Cross multiply
    39,995x = 55,193.10 × 23,229.08
  4. Step 4: Simplify right side
    39,995x = 1,282,084,935.35
  5. Step 5: Solve for x
    x = 1,282,084,935.35/39,995
  6. Step 6: Final answer
    x = 32,056.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.