Home / 60,427.21-90,609.69-27,118.72

Finding the Fourth Proportional to 60,427.21, 90,609.69 and 27,118.72

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Solution

The fourth proportional to 60,427.21, 90,609.69 and 27,118.72 is: 40,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.21 : 90,609.69 = 27,118.72 : x
  2. Step 2: Convert to fraction form
    60,427.21/90,609.69 = 27,118.72/x
  3. Step 3: Cross multiply
    60,427.21x = 90,609.69 × 27,118.72
  4. Step 4: Simplify right side
    60,427.21x = 2,457,218,812.40
  5. Step 5: Solve for x
    x = 2,457,218,812.40/60,427.21
  6. Step 6: Final answer
    x = 40,664.11

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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.