Home / 55,219.83-82,837.55-17,771.19

Finding the Fourth Proportional to 55,219.83, 82,837.55 and 17,771.19

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Solution

The fourth proportional to 55,219.83, 82,837.55 and 17,771.19 is: 26,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.83 : 82,837.55 = 17,771.19 : x
  2. Step 2: Convert to fraction form
    55,219.83/82,837.55 = 17,771.19/x
  3. Step 3: Cross multiply
    55,219.83x = 82,837.55 × 17,771.19
  4. Step 4: Simplify right side
    55,219.83x = 1,472,121,840.18
  5. Step 5: Solve for x
    x = 1,472,121,840.18/55,219.83
  6. Step 6: Final answer
    x = 26,659.30

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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.