Home / 50,278.13-75,416.23-20,291.58

Finding the Fourth Proportional to 50,278.13, 75,416.23 and 20,291.58

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Solution

The fourth proportional to 50,278.13, 75,416.23 and 20,291.58 is: 30,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278.13 : 75,416.23 = 20,291.58 : x
  2. Step 2: Convert to fraction form
    50,278.13/75,416.23 = 20,291.58/x
  3. Step 3: Cross multiply
    50,278.13x = 75,416.23 × 20,291.58
  4. Step 4: Simplify right side
    50,278.13x = 1,530,314,489.71
  5. Step 5: Solve for x
    x = 1,530,314,489.71/50,278.13
  6. Step 6: Final answer
    x = 30,436.98

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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.