Home / 60,204.09-90,310.47-20,760.64

Finding the Fourth Proportional to 60,204.09, 90,310.47 and 20,760.64

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Solution

The fourth proportional to 60,204.09, 90,310.47 and 20,760.64 is: 31,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,204.09 : 90,310.47 = 20,760.64 : x
  2. Step 2: Convert to fraction form
    60,204.09/90,310.47 = 20,760.64/x
  3. Step 3: Cross multiply
    60,204.09x = 90,310.47 × 20,760.64
  4. Step 4: Simplify right side
    60,204.09x = 1,874,903,155.90
  5. Step 5: Solve for x
    x = 1,874,903,155.90/60,204.09
  6. Step 6: Final answer
    x = 31,142.45

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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.