Home / 50,280.21-75,419.40-42,433.14

Finding the Fourth Proportional to 50,280.21, 75,419.40 and 42,433.14

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Solution

The fourth proportional to 50,280.21, 75,419.40 and 42,433.14 is: 63,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,280.21 : 75,419.40 = 42,433.14 : x
  2. Step 2: Convert to fraction form
    50,280.21/75,419.40 = 42,433.14/x
  3. Step 3: Cross multiply
    50,280.21x = 75,419.40 × 42,433.14
  4. Step 4: Simplify right side
    50,280.21x = 3,200,281,958.92
  5. Step 5: Solve for x
    x = 3,200,281,958.92/50,280.21
  6. Step 6: Final answer
    x = 63,648.94

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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.