Home / 55,272.14-76,277.60-31,402.86

Finding the Fourth Proportional to 55,272.14, 76,277.60 and 31,402.86

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Solution

The fourth proportional to 55,272.14, 76,277.60 and 31,402.86 is: 43,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.14 : 76,277.60 = 31,402.86 : x
  2. Step 2: Convert to fraction form
    55,272.14/76,277.60 = 31,402.86/x
  3. Step 3: Cross multiply
    55,272.14x = 76,277.60 × 31,402.86
  4. Step 4: Simplify right side
    55,272.14x = 2,395,334,636.92
  5. Step 5: Solve for x
    x = 2,395,334,636.92/55,272.14
  6. Step 6: Final answer
    x = 43,337.11

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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.