Home / 50,306.76-75,457.56-18,716.76

Finding the Fourth Proportional to 50,306.76, 75,457.56 and 18,716.76

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Solution

The fourth proportional to 50,306.76, 75,457.56 and 18,716.76 is: 28,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,306.76 : 75,457.56 = 18,716.76 : x
  2. Step 2: Convert to fraction form
    50,306.76/75,457.56 = 18,716.76/x
  3. Step 3: Cross multiply
    50,306.76x = 75,457.56 × 18,716.76
  4. Step 4: Simplify right side
    50,306.76x = 1,412,321,040.71
  5. Step 5: Solve for x
    x = 1,412,321,040.71/50,306.76
  6. Step 6: Final answer
    x = 28,074.18

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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.