Home / 40,346.10-60,519.58-12,270.72

Finding the Fourth Proportional to 40,346.10, 60,519.58 and 12,270.72

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Solution

The fourth proportional to 40,346.10, 60,519.58 and 12,270.72 is: 18,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,346.10 : 60,519.58 = 12,270.72 : x
  2. Step 2: Convert to fraction form
    40,346.10/60,519.58 = 12,270.72/x
  3. Step 3: Cross multiply
    40,346.10x = 60,519.58 × 12,270.72
  4. Step 4: Simplify right side
    40,346.10x = 742,618,820.70
  5. Step 5: Solve for x
    x = 742,618,820.70/40,346.10
  6. Step 6: Final answer
    x = 18,406.21

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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.