Home / 20,432.52-30,700.62-19,056.60

Finding the Fourth Proportional to 20,432.52, 30,700.62 and 19,056.60

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Solution

The fourth proportional to 20,432.52, 30,700.62 and 19,056.60 is: 28,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.52 : 30,700.62 = 19,056.60 : x
  2. Step 2: Convert to fraction form
    20,432.52/30,700.62 = 19,056.60/x
  3. Step 3: Cross multiply
    20,432.52x = 30,700.62 × 19,056.60
  4. Step 4: Simplify right side
    20,432.52x = 585,049,435.09
  5. Step 5: Solve for x
    x = 585,049,435.09/20,432.52
  6. Step 6: Final answer
    x = 28,633.25

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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.