Home / 55,357.96-76,393.84-30,207.44

Finding the Fourth Proportional to 55,357.96, 76,393.84 and 30,207.44

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Solution

The fourth proportional to 55,357.96, 76,393.84 and 30,207.44 is: 41,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,357.96 : 76,393.84 = 30,207.44 : x
  2. Step 2: Convert to fraction form
    55,357.96/76,393.84 = 30,207.44/x
  3. Step 3: Cross multiply
    55,357.96x = 76,393.84 × 30,207.44
  4. Step 4: Simplify right side
    55,357.96x = 2,307,662,338.17
  5. Step 5: Solve for x
    x = 2,307,662,338.17/55,357.96
  6. Step 6: Final answer
    x = 41,686.19

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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.