Home / 50,764.50-70,045.08-31,890.68

Finding the Fourth Proportional to 50,764.50, 70,045.08 and 31,890.68

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Solution

The fourth proportional to 50,764.50, 70,045.08 and 31,890.68 is: 44,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,764.50 : 70,045.08 = 31,890.68 : x
  2. Step 2: Convert to fraction form
    50,764.50/70,045.08 = 31,890.68/x
  3. Step 3: Cross multiply
    50,764.50x = 70,045.08 × 31,890.68
  4. Step 4: Simplify right side
    50,764.50x = 2,233,785,231.85
  5. Step 5: Solve for x
    x = 2,233,785,231.85/50,764.50
  6. Step 6: Final answer
    x = 44,002.90

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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.