Home / 55,665.44-76,817.72-30,514.80

Finding the Fourth Proportional to 55,665.44, 76,817.72 and 30,514.80

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Solution

The fourth proportional to 55,665.44, 76,817.72 and 30,514.80 is: 42,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.44 : 76,817.72 = 30,514.80 : x
  2. Step 2: Convert to fraction form
    55,665.44/76,817.72 = 30,514.80/x
  3. Step 3: Cross multiply
    55,665.44x = 76,817.72 × 30,514.80
  4. Step 4: Simplify right side
    55,665.44x = 2,344,077,362.26
  5. Step 5: Solve for x
    x = 2,344,077,362.26/55,665.44
  6. Step 6: Final answer
    x = 42,110.10

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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.