Home / 50,349.06-75,538.53-20,768.67

Finding the Fourth Proportional to 50,349.06, 75,538.53 and 20,768.67

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Solution

The fourth proportional to 50,349.06, 75,538.53 and 20,768.67 is: 31,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,349.06 : 75,538.53 = 20,768.67 : x
  2. Step 2: Convert to fraction form
    50,349.06/75,538.53 = 20,768.67/x
  3. Step 3: Cross multiply
    50,349.06x = 75,538.53 × 20,768.67
  4. Step 4: Simplify right side
    50,349.06x = 1,568,834,801.86
  5. Step 5: Solve for x
    x = 1,568,834,801.86/50,349.06
  6. Step 6: Final answer
    x = 31,159.17

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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.