Home / 50,317.83-75,485.86-20,719.53

Finding the Fourth Proportional to 50,317.83, 75,485.86 and 20,719.53

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Solution

The fourth proportional to 50,317.83, 75,485.86 and 20,719.53 is: 31,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,317.83 : 75,485.86 = 20,719.53 : x
  2. Step 2: Convert to fraction form
    50,317.83/75,485.86 = 20,719.53/x
  3. Step 3: Cross multiply
    50,317.83x = 75,485.86 × 20,719.53
  4. Step 4: Simplify right side
    50,317.83x = 1,564,031,489.05
  5. Step 5: Solve for x
    x = 1,564,031,489.05/50,317.83
  6. Step 6: Final answer
    x = 31,083.05

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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.