Home / 64,439.04-96,654.24-17,688

Finding the Fourth Proportional to 64,439.04, 96,654.24 and 17,688

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Solution

The fourth proportional to 64,439.04, 96,654.24 and 17,688 is: 26,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,439.04 : 96,654.24 = 17,688 : x
  2. Step 2: Convert to fraction form
    64,439.04/96,654.24 = 17,688/x
  3. Step 3: Cross multiply
    64,439.04x = 96,654.24 × 17,688
  4. Step 4: Simplify right side
    64,439.04x = 1,709,620,197.12
  5. Step 5: Solve for x
    x = 1,709,620,197.12/64,439.04
  6. Step 6: Final answer
    x = 26,530.81

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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.