Home / 79,627.20-119,433.60-27,038.40

Finding the Fourth Proportional to 79,627.20, 119,433.60 and 27,038.40

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Solution

The fourth proportional to 79,627.20, 119,433.60 and 27,038.40 is: 40,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,627.20 : 119,433.60 = 27,038.40 : x
  2. Step 2: Convert to fraction form
    79,627.20/119,433.60 = 27,038.40/x
  3. Step 3: Cross multiply
    79,627.20x = 119,433.60 × 27,038.40
  4. Step 4: Simplify right side
    79,627.20x = 3,229,293,450.24
  5. Step 5: Solve for x
    x = 3,229,293,450.24/79,627.20
  6. Step 6: Final answer
    x = 40,555.16

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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.