Home / 45,202.80-67,612.20-40,556.40

Finding the Fourth Proportional to 45,202.80, 67,612.20 and 40,556.40

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Solution

The fourth proportional to 45,202.80, 67,612.20 and 40,556.40 is: 60,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,202.80 : 67,612.20 = 40,556.40 : x
  2. Step 2: Convert to fraction form
    45,202.80/67,612.20 = 40,556.40/x
  3. Step 3: Cross multiply
    45,202.80x = 67,612.20 × 40,556.40
  4. Step 4: Simplify right side
    45,202.80x = 2,742,107,428.08
  5. Step 5: Solve for x
    x = 2,742,107,428.08/45,202.80
  6. Step 6: Final answer
    x = 60,662.34

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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.