Home / 60,430.21-90,614.19-27,121.72

Finding the Fourth Proportional to 60,430.21, 90,614.19 and 27,121.72

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Solution

The fourth proportional to 60,430.21, 90,614.19 and 27,121.72 is: 40,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,430.21 : 90,614.19 = 27,121.72 : x
  2. Step 2: Convert to fraction form
    60,430.21/90,614.19 = 27,121.72/x
  3. Step 3: Cross multiply
    60,430.21x = 90,614.19 × 27,121.72
  4. Step 4: Simplify right side
    60,430.21x = 2,457,612,689.21
  5. Step 5: Solve for x
    x = 2,457,612,689.21/60,430.21
  6. Step 6: Final answer
    x = 40,668.61

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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.