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Finding the Fourth Proportional to 29,335.64, 40,472.58 and 19,269.50

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Solution

The fourth proportional to 29,335.64, 40,472.58 and 19,269.50 is: 26,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.64 : 40,472.58 = 19,269.50 : x
  2. Step 2: Convert to fraction form
    29,335.64/40,472.58 = 19,269.50/x
  3. Step 3: Cross multiply
    29,335.64x = 40,472.58 × 19,269.50
  4. Step 4: Simplify right side
    29,335.64x = 779,886,283.96
  5. Step 5: Solve for x
    x = 779,886,283.96/29,335.64
  6. Step 6: Final answer
    x = 26,584.94

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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.