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Finding the Fourth Proportional to 69,335.47, 104,018.87 and 21,953.44

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Solution

The fourth proportional to 69,335.47, 104,018.87 and 21,953.44 is: 32,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,335.47 : 104,018.87 = 21,953.44 : x
  2. Step 2: Convert to fraction form
    69,335.47/104,018.87 = 21,953.44/x
  3. Step 3: Cross multiply
    69,335.47x = 104,018.87 × 21,953.44
  4. Step 4: Simplify right side
    69,335.47x = 2,283,572,021.41
  5. Step 5: Solve for x
    x = 2,283,572,021.41/69,335.47
  6. Step 6: Final answer
    x = 32,935.12

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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.