Home / 50,347.45-69,471.70-29,128.69

Finding the Fourth Proportional to 50,347.45, 69,471.70 and 29,128.69

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Solution

The fourth proportional to 50,347.45, 69,471.70 and 29,128.69 is: 40,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,347.45 : 69,471.70 = 29,128.69 : x
  2. Step 2: Convert to fraction form
    50,347.45/69,471.70 = 29,128.69/x
  3. Step 3: Cross multiply
    50,347.45x = 69,471.70 × 29,128.69
  4. Step 4: Simplify right side
    50,347.45x = 2,023,619,613.07
  5. Step 5: Solve for x
    x = 2,023,619,613.07/50,347.45
  6. Step 6: Final answer
    x = 40,193.09

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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.