Home / 52,256.40-78,405.38-16,723.20

Finding the Fourth Proportional to 52,256.40, 78,405.38 and 16,723.20

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Solution

The fourth proportional to 52,256.40, 78,405.38 and 16,723.20 is: 25,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256.40 : 78,405.38 = 16,723.20 : x
  2. Step 2: Convert to fraction form
    52,256.40/78,405.38 = 16,723.20/x
  3. Step 3: Cross multiply
    52,256.40x = 78,405.38 × 16,723.20
  4. Step 4: Simplify right side
    52,256.40x = 1,311,188,850.82
  5. Step 5: Solve for x
    x = 1,311,188,850.82/52,256.40
  6. Step 6: Final answer
    x = 25,091.45

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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.