Home / 55,716.88-83,516.60-18,267.18

Finding the Fourth Proportional to 55,716.88, 83,516.60 and 18,267.18

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Solution

The fourth proportional to 55,716.88, 83,516.60 and 18,267.18 is: 27,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.88 : 83,516.60 = 18,267.18 : x
  2. Step 2: Convert to fraction form
    55,716.88/83,516.60 = 18,267.18/x
  3. Step 3: Cross multiply
    55,716.88x = 83,516.60 × 18,267.18
  4. Step 4: Simplify right side
    55,716.88x = 1,525,612,765.19
  5. Step 5: Solve for x
    x = 1,525,612,765.19/55,716.88
  6. Step 6: Final answer
    x = 27,381.52

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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.