Home / 36,812.08-55,219.98-10,520.74

Finding the Fourth Proportional to 36,812.08, 55,219.98 and 10,520.74

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Solution

The fourth proportional to 36,812.08, 55,219.98 and 10,520.74 is: 15,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,812.08 : 55,219.98 = 10,520.74 : x
  2. Step 2: Convert to fraction form
    36,812.08/55,219.98 = 10,520.74/x
  3. Step 3: Cross multiply
    36,812.08x = 55,219.98 × 10,520.74
  4. Step 4: Simplify right side
    36,812.08x = 580,955,052.39
  5. Step 5: Solve for x
    x = 580,955,052.39/36,812.08
  6. Step 6: Final answer
    x = 15,781.64

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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.