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Finding the Fourth Proportional to 64,604.34, 96,907.68 and 17,858.34

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Solution

The fourth proportional to 64,604.34, 96,907.68 and 17,858.34 is: 26,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604.34 : 96,907.68 = 17,858.34 : x
  2. Step 2: Convert to fraction form
    64,604.34/96,907.68 = 17,858.34/x
  3. Step 3: Cross multiply
    64,604.34x = 96,907.68 × 17,858.34
  4. Step 4: Simplify right side
    64,604.34x = 1,730,610,298.05
  5. Step 5: Solve for x
    x = 1,730,610,298.05/64,604.34
  6. Step 6: Final answer
    x = 26,787.83

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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.