Home / 64,579.92-96,869.26-38,265.72

Finding the Fourth Proportional to 64,579.92, 96,869.26 and 38,265.72

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Solution

The fourth proportional to 64,579.92, 96,869.26 and 38,265.72 is: 57,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,579.92 : 96,869.26 = 38,265.72 : x
  2. Step 2: Convert to fraction form
    64,579.92/96,869.26 = 38,265.72/x
  3. Step 3: Cross multiply
    64,579.92x = 96,869.26 × 38,265.72
  4. Step 4: Simplify right side
    64,579.92x = 3,706,771,979.77
  5. Step 5: Solve for x
    x = 3,706,771,979.77/64,579.92
  6. Step 6: Final answer
    x = 57,398.21

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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.