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Finding the Fourth Proportional to 29,051.40, 40,113.48 and 22,326.40

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Solution

The fourth proportional to 29,051.40, 40,113.48 and 22,326.40 is: 30,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,051.40 : 40,113.48 = 22,326.40 : x
  2. Step 2: Convert to fraction form
    29,051.40/40,113.48 = 22,326.40/x
  3. Step 3: Cross multiply
    29,051.40x = 40,113.48 × 22,326.40
  4. Step 4: Simplify right side
    29,051.40x = 895,589,599.87
  5. Step 5: Solve for x
    x = 895,589,599.87/29,051.40
  6. Step 6: Final answer
    x = 30,827.76

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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.