Home / 77,622.69-116,433.90-21,462.66

Finding the Fourth Proportional to 77,622.69, 116,433.90 and 21,462.66

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Solution

The fourth proportional to 77,622.69, 116,433.90 and 21,462.66 is: 32,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,622.69 : 116,433.90 = 21,462.66 : x
  2. Step 2: Convert to fraction form
    77,622.69/116,433.90 = 21,462.66/x
  3. Step 3: Cross multiply
    77,622.69x = 116,433.90 × 21,462.66
  4. Step 4: Simplify right side
    77,622.69x = 2,498,981,208.17
  5. Step 5: Solve for x
    x = 2,498,981,208.17/77,622.69
  6. Step 6: Final answer
    x = 32,193.95

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1.5x scale

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.