Home / 50,314.60-75,423.90-18,716.20

Finding the Fourth Proportional to 50,314.60, 75,423.90 and 18,716.20

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Solution

The fourth proportional to 50,314.60, 75,423.90 and 18,716.20 is: 28,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,314.60 : 75,423.90 = 18,716.20 : x
  2. Step 2: Convert to fraction form
    50,314.60/75,423.90 = 18,716.20/x
  3. Step 3: Cross multiply
    50,314.60x = 75,423.90 × 18,716.20
  4. Step 4: Simplify right side
    50,314.60x = 1,411,648,797.18
  5. Step 5: Solve for x
    x = 1,411,648,797.18/50,314.60
  6. Step 6: Final answer
    x = 28,056.44

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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.