Home / 60,512.13-90,768.18-18,392.55

Finding the Fourth Proportional to 60,512.13, 90,768.18 and 18,392.55

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Solution

The fourth proportional to 60,512.13, 90,768.18 and 18,392.55 is: 27,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,512.13 : 90,768.18 = 18,392.55 : x
  2. Step 2: Convert to fraction form
    60,512.13/90,768.18 = 18,392.55/x
  3. Step 3: Cross multiply
    60,512.13x = 90,768.18 × 18,392.55
  4. Step 4: Simplify right side
    60,512.13x = 1,669,458,289.06
  5. Step 5: Solve for x
    x = 1,669,458,289.06/60,512.13
  6. Step 6: Final answer
    x = 27,588.82

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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.