Home / 40,409.20-60,628.36-20,697.04

Finding the Fourth Proportional to 40,409.20, 60,628.36 and 20,697.04

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Solution

The fourth proportional to 40,409.20, 60,628.36 and 20,697.04 is: 31,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,409.20 : 60,628.36 = 20,697.04 : x
  2. Step 2: Convert to fraction form
    40,409.20/60,628.36 = 20,697.04/x
  3. Step 3: Cross multiply
    40,409.20x = 60,628.36 × 20,697.04
  4. Step 4: Simplify right side
    40,409.20x = 1,254,827,592.05
  5. Step 5: Solve for x
    x = 1,254,827,592.05/40,409.20
  6. Step 6: Final answer
    x = 31,053.02

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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.