Home / 65,633.19-90,564.04-36,948.66

Finding the Fourth Proportional to 65,633.19, 90,564.04 and 36,948.66

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Solution

The fourth proportional to 65,633.19, 90,564.04 and 36,948.66 is: 50,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,633.19 : 90,564.04 = 36,948.66 : x
  2. Step 2: Convert to fraction form
    65,633.19/90,564.04 = 36,948.66/x
  3. Step 3: Cross multiply
    65,633.19x = 90,564.04 × 36,948.66
  4. Step 4: Simplify right side
    65,633.19x = 3,346,219,922.19
  5. Step 5: Solve for x
    x = 3,346,219,922.19/65,633.19
  6. Step 6: Final answer
    x = 50,983.66

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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.