Home / 40,340.70-60,478.41-18,142.62

Finding the Fourth Proportional to 40,340.70, 60,478.41 and 18,142.62

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Solution

The fourth proportional to 40,340.70, 60,478.41 and 18,142.62 is: 27,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,340.70 : 60,478.41 = 18,142.62 : x
  2. Step 2: Convert to fraction form
    40,340.70/60,478.41 = 18,142.62/x
  3. Step 3: Cross multiply
    40,340.70x = 60,478.41 × 18,142.62
  4. Step 4: Simplify right side
    40,340.70x = 1,097,236,810.83
  5. Step 5: Solve for x
    x = 1,097,236,810.83/40,340.70
  6. Step 6: Final answer
    x = 27,199.25

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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.