Home / 55,776.39-83,677.74-18,336.57

Finding the Fourth Proportional to 55,776.39, 83,677.74 and 18,336.57

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Solution

The fourth proportional to 55,776.39, 83,677.74 and 18,336.57 is: 27,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.39 : 83,677.74 = 18,336.57 : x
  2. Step 2: Convert to fraction form
    55,776.39/83,677.74 = 18,336.57/x
  3. Step 3: Cross multiply
    55,776.39x = 83,677.74 × 18,336.57
  4. Step 4: Simplify right side
    55,776.39x = 1,534,362,736.95
  5. Step 5: Solve for x
    x = 1,534,362,736.95/55,776.39
  6. Step 6: Final answer
    x = 27,509.18

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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.