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Finding the Fourth Proportional to 40,095, 55,326.48 and 22,187.52

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Solution

The fourth proportional to 40,095, 55,326.48 and 22,187.52 is: 30,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,095 : 55,326.48 = 22,187.52 : x
  2. Step 2: Convert to fraction form
    40,095/55,326.48 = 22,187.52/x
  3. Step 3: Cross multiply
    40,095x = 55,326.48 × 22,187.52
  4. Step 4: Simplify right side
    40,095x = 1,227,557,381.53
  5. Step 5: Solve for x
    x = 1,227,557,381.53/40,095
  6. Step 6: Final answer
    x = 30,616.22

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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.