Home / 55,212.57-76,194.27-31,339.98

Finding the Fourth Proportional to 55,212.57, 76,194.27 and 31,339.98

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Solution

The fourth proportional to 55,212.57, 76,194.27 and 31,339.98 is: 43,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.57 : 76,194.27 = 31,339.98 : x
  2. Step 2: Convert to fraction form
    55,212.57/76,194.27 = 31,339.98/x
  3. Step 3: Cross multiply
    55,212.57x = 76,194.27 × 31,339.98
  4. Step 4: Simplify right side
    55,212.57x = 2,387,926,897.91
  5. Step 5: Solve for x
    x = 2,387,926,897.91/55,212.57
  6. Step 6: Final answer
    x = 43,249.70

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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.