Home / 30,627.72-45,973.78-27,140.06

Finding the Fourth Proportional to 30,627.72, 45,973.78 and 27,140.06

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Solution

The fourth proportional to 30,627.72, 45,973.78 and 27,140.06 is: 40,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.72 : 45,973.78 = 27,140.06 : x
  2. Step 2: Convert to fraction form
    30,627.72/45,973.78 = 27,140.06/x
  3. Step 3: Cross multiply
    30,627.72x = 45,973.78 × 27,140.06
  4. Step 4: Simplify right side
    30,627.72x = 1,247,731,194.71
  5. Step 5: Solve for x
    x = 1,247,731,194.71/30,627.72
  6. Step 6: Final answer
    x = 40,738.62

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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.