Home / 55,639.77-83,364.56-39,763.69

Finding the Fourth Proportional to 55,639.77, 83,364.56 and 39,763.69

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Solution

The fourth proportional to 55,639.77, 83,364.56 and 39,763.69 is: 59,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,639.77 : 83,364.56 = 39,763.69 : x
  2. Step 2: Convert to fraction form
    55,639.77/83,364.56 = 39,763.69/x
  3. Step 3: Cross multiply
    55,639.77x = 83,364.56 × 39,763.69
  4. Step 4: Simplify right side
    55,639.77x = 3,314,882,104.00
  5. Step 5: Solve for x
    x = 3,314,882,104.00/55,639.77
  6. Step 6: Final answer
    x = 59,577.57

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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.