Home / 47,268.43-70,915.80-20,616.75

Finding the Fourth Proportional to 47,268.43, 70,915.80 and 20,616.75

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Solution

The fourth proportional to 47,268.43, 70,915.80 and 20,616.75 is: 30,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,268.43 : 70,915.80 = 20,616.75 : x
  2. Step 2: Convert to fraction form
    47,268.43/70,915.80 = 20,616.75/x
  3. Step 3: Cross multiply
    47,268.43x = 70,915.80 × 20,616.75
  4. Step 4: Simplify right side
    47,268.43x = 1,462,053,319.65
  5. Step 5: Solve for x
    x = 1,462,053,319.65/47,268.43
  6. Step 6: Final answer
    x = 30,930.86

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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.