Home / 66,400.43-99,600.66-22,030.52

Finding the Fourth Proportional to 66,400.43, 99,600.66 and 22,030.52

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Solution

The fourth proportional to 66,400.43, 99,600.66 and 22,030.52 is: 33,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.43 : 99,600.66 = 22,030.52 : x
  2. Step 2: Convert to fraction form
    66,400.43/99,600.66 = 22,030.52/x
  3. Step 3: Cross multiply
    66,400.43x = 99,600.66 × 22,030.52
  4. Step 4: Simplify right side
    66,400.43x = 2,194,254,332.14
  5. Step 5: Solve for x
    x = 2,194,254,332.14/66,400.43
  6. Step 6: Final answer
    x = 33,045.78

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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.