Home / 60,207.09-90,314.97-20,763.64

Finding the Fourth Proportional to 60,207.09, 90,314.97 and 20,763.64

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Solution

The fourth proportional to 60,207.09, 90,314.97 and 20,763.64 is: 31,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,207.09 : 90,314.97 = 20,763.64 : x
  2. Step 2: Convert to fraction form
    60,207.09/90,314.97 = 20,763.64/x
  3. Step 3: Cross multiply
    60,207.09x = 90,314.97 × 20,763.64
  4. Step 4: Simplify right side
    60,207.09x = 1,875,267,523.69
  5. Step 5: Solve for x
    x = 1,875,267,523.69/60,207.09
  6. Step 6: Final answer
    x = 31,146.96

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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.