Home / 50,707.37-75,905.34-31,899.33

Finding the Fourth Proportional to 50,707.37, 75,905.34 and 31,899.33

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Solution

The fourth proportional to 50,707.37, 75,905.34 and 31,899.33 is: 47,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,707.37 : 75,905.34 = 31,899.33 : x
  2. Step 2: Convert to fraction form
    50,707.37/75,905.34 = 31,899.33/x
  3. Step 3: Cross multiply
    50,707.37x = 75,905.34 × 31,899.33
  4. Step 4: Simplify right side
    50,707.37x = 2,421,329,489.42
  5. Step 5: Solve for x
    x = 2,421,329,489.42/50,707.37
  6. Step 6: Final answer
    x = 47,751.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.