Home / 64,390-96,574.62-17,631.94

Finding the Fourth Proportional to 64,390, 96,574.62 and 17,631.94

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Solution

The fourth proportional to 64,390, 96,574.62 and 17,631.94 is: 26,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,390 : 96,574.62 = 17,631.94 : x
  2. Step 2: Convert to fraction form
    64,390/96,574.62 = 17,631.94/x
  3. Step 3: Cross multiply
    64,390x = 96,574.62 × 17,631.94
  4. Step 4: Simplify right side
    64,390x = 1,702,797,905.36
  5. Step 5: Solve for x
    x = 1,702,797,905.36/64,390
  6. Step 6: Final answer
    x = 26,445.07

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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.