Home / 36,812.60-55,219.38-10,518.20

Finding the Fourth Proportional to 36,812.60, 55,219.38 and 10,518.20

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Solution

The fourth proportional to 36,812.60, 55,219.38 and 10,518.20 is: 15,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,812.60 : 55,219.38 = 10,518.20 : x
  2. Step 2: Convert to fraction form
    36,812.60/55,219.38 = 10,518.20/x
  3. Step 3: Cross multiply
    36,812.60x = 55,219.38 × 10,518.20
  4. Step 4: Simplify right side
    36,812.60x = 580,808,482.72
  5. Step 5: Solve for x
    x = 580,808,482.72/36,812.60
  6. Step 6: Final answer
    x = 15,777.44

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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.