Home / 55,406.85-83,110.27-13,853.85

Finding the Fourth Proportional to 55,406.85, 83,110.27 and 13,853.85

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Solution

The fourth proportional to 55,406.85, 83,110.27 and 13,853.85 is: 20,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406.85 : 83,110.27 = 13,853.85 : x
  2. Step 2: Convert to fraction form
    55,406.85/83,110.27 = 13,853.85/x
  3. Step 3: Cross multiply
    55,406.85x = 83,110.27 × 13,853.85
  4. Step 4: Simplify right side
    55,406.85x = 1,151,397,214.04
  5. Step 5: Solve for x
    x = 1,151,397,214.04/55,406.85
  6. Step 6: Final answer
    x = 20,780.77

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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.