Home / 65,929.39-90,982.19-35,715.30

Finding the Fourth Proportional to 65,929.39, 90,982.19 and 35,715.30

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Solution

The fourth proportional to 65,929.39, 90,982.19 and 35,715.30 is: 49,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.39 : 90,982.19 = 35,715.30 : x
  2. Step 2: Convert to fraction form
    65,929.39/90,982.19 = 35,715.30/x
  3. Step 3: Cross multiply
    65,929.39x = 90,982.19 × 35,715.30
  4. Step 4: Simplify right side
    65,929.39x = 3,249,455,757.71
  5. Step 5: Solve for x
    x = 3,249,455,757.71/65,929.39
  6. Step 6: Final answer
    x = 49,286.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.