Home / 52,229.21-78,343.65-18,949.19

Finding the Fourth Proportional to 52,229.21, 78,343.65 and 18,949.19

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Solution

The fourth proportional to 52,229.21, 78,343.65 and 18,949.19 is: 28,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,229.21 : 78,343.65 = 18,949.19 : x
  2. Step 2: Convert to fraction form
    52,229.21/78,343.65 = 18,949.19/x
  3. Step 3: Cross multiply
    52,229.21x = 78,343.65 × 18,949.19
  4. Step 4: Simplify right side
    52,229.21x = 1,484,548,317.43
  5. Step 5: Solve for x
    x = 1,484,548,317.43/52,229.21
  6. Step 6: Final answer
    x = 28,423.72

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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.