Home / 55,615.27-76,750.31-31,741.46

Finding the Fourth Proportional to 55,615.27, 76,750.31 and 31,741.46

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Solution

The fourth proportional to 55,615.27, 76,750.31 and 31,741.46 is: 43,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.27 : 76,750.31 = 31,741.46 : x
  2. Step 2: Convert to fraction form
    55,615.27/76,750.31 = 31,741.46/x
  3. Step 3: Cross multiply
    55,615.27x = 76,750.31 × 31,741.46
  4. Step 4: Simplify right side
    55,615.27x = 2,436,166,894.85
  5. Step 5: Solve for x
    x = 2,436,166,894.85/55,615.27
  6. Step 6: Final answer
    x = 43,803.92

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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.