Home / 64,781.12-97,174.24-18,038.08

Finding the Fourth Proportional to 64,781.12, 97,174.24 and 18,038.08

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Solution

The fourth proportional to 64,781.12, 97,174.24 and 18,038.08 is: 27,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,781.12 : 97,174.24 = 18,038.08 : x
  2. Step 2: Convert to fraction form
    64,781.12/97,174.24 = 18,038.08/x
  3. Step 3: Cross multiply
    64,781.12x = 97,174.24 × 18,038.08
  4. Step 4: Simplify right side
    64,781.12x = 1,752,836,715.06
  5. Step 5: Solve for x
    x = 1,752,836,715.06/64,781.12
  6. Step 6: Final answer
    x = 27,057.83

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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.