Home / 67,965.35-101,864.73-30,515.81

Finding the Fourth Proportional to 67,965.35, 101,864.73 and 30,515.81

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Solution

The fourth proportional to 67,965.35, 101,864.73 and 30,515.81 is: 45,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,965.35 : 101,864.73 = 30,515.81 : x
  2. Step 2: Convert to fraction form
    67,965.35/101,864.73 = 30,515.81/x
  3. Step 3: Cross multiply
    67,965.35x = 101,864.73 × 30,515.81
  4. Step 4: Simplify right side
    67,965.35x = 3,108,484,746.38
  5. Step 5: Solve for x
    x = 3,108,484,746.38/67,965.35
  6. Step 6: Final answer
    x = 45,736.32

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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.