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Finding the Fourth Proportional to 55,645.98, 83,472.80 and 22,366.06

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Solution

The fourth proportional to 55,645.98, 83,472.80 and 22,366.06 is: 33,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.98 : 83,472.80 = 22,366.06 : x
  2. Step 2: Convert to fraction form
    55,645.98/83,472.80 = 22,366.06/x
  3. Step 3: Cross multiply
    55,645.98x = 83,472.80 × 22,366.06
  4. Step 4: Simplify right side
    55,645.98x = 1,866,957,653.17
  5. Step 5: Solve for x
    x = 1,866,957,653.17/55,645.98
  6. Step 6: Final answer
    x = 33,550.63

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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.