Home / 55,679.10-76,837.23-30,185.61

Finding the Fourth Proportional to 55,679.10, 76,837.23 and 30,185.61

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Solution

The fourth proportional to 55,679.10, 76,837.23 and 30,185.61 is: 41,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679.10 : 76,837.23 = 30,185.61 : x
  2. Step 2: Convert to fraction form
    55,679.10/76,837.23 = 30,185.61/x
  3. Step 3: Cross multiply
    55,679.10x = 76,837.23 × 30,185.61
  4. Step 4: Simplify right side
    55,679.10x = 2,319,378,658.26
  5. Step 5: Solve for x
    x = 2,319,378,658.26/55,679.10
  6. Step 6: Final answer
    x = 41,656.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.