Home / 50,841.24-70,137.18-31,988.76

Finding the Fourth Proportional to 50,841.24, 70,137.18 and 31,988.76

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Solution

The fourth proportional to 50,841.24, 70,137.18 and 31,988.76 is: 44,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,841.24 : 70,137.18 = 31,988.76 : x
  2. Step 2: Convert to fraction form
    50,841.24/70,137.18 = 31,988.76/x
  3. Step 3: Cross multiply
    50,841.24x = 70,137.18 × 31,988.76
  4. Step 4: Simplify right side
    50,841.24x = 2,243,601,418.10
  5. Step 5: Solve for x
    x = 2,243,601,418.10/50,841.24
  6. Step 6: Final answer
    x = 44,129.56

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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.