Home / 55,237.08-76,204.44-38,479.80

Finding the Fourth Proportional to 55,237.08, 76,204.44 and 38,479.80

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Solution

The fourth proportional to 55,237.08, 76,204.44 and 38,479.80 is: 53,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,237.08 : 76,204.44 = 38,479.80 : x
  2. Step 2: Convert to fraction form
    55,237.08/76,204.44 = 38,479.80/x
  3. Step 3: Cross multiply
    55,237.08x = 76,204.44 × 38,479.80
  4. Step 4: Simplify right side
    55,237.08x = 2,932,331,610.31
  5. Step 5: Solve for x
    x = 2,932,331,610.31/55,237.08
  6. Step 6: Final answer
    x = 53,086.29

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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.