Home / 20,055.46-30,089.67-8,372.02

Finding the Fourth Proportional to 20,055.46, 30,089.67 and 8,372.02

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Solution

The fourth proportional to 20,055.46, 30,089.67 and 8,372.02 is: 12,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.46 : 30,089.67 = 8,372.02 : x
  2. Step 2: Convert to fraction form
    20,055.46/30,089.67 = 8,372.02/x
  3. Step 3: Cross multiply
    20,055.46x = 30,089.67 × 8,372.02
  4. Step 4: Simplify right side
    20,055.46x = 251,911,319.03
  5. Step 5: Solve for x
    x = 251,911,319.03/20,055.46
  6. Step 6: Final answer
    x = 12,560.74

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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.