Home / 40,409.18-60,628.38-20,697.02

Finding the Fourth Proportional to 40,409.18, 60,628.38 and 20,697.02

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Solution

The fourth proportional to 40,409.18, 60,628.38 and 20,697.02 is: 31,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,409.18 : 60,628.38 = 20,697.02 : x
  2. Step 2: Convert to fraction form
    40,409.18/60,628.38 = 20,697.02/x
  3. Step 3: Cross multiply
    40,409.18x = 60,628.38 × 20,697.02
  4. Step 4: Simplify right side
    40,409.18x = 1,254,826,793.43
  5. Step 5: Solve for x
    x = 1,254,826,793.43/40,409.18
  6. Step 6: Final answer
    x = 31,053.01

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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.