Home / 40,429.14-60,606.21-20,664.12

Finding the Fourth Proportional to 40,429.14, 60,606.21 and 20,664.12

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Solution

The fourth proportional to 40,429.14, 60,606.21 and 20,664.12 is: 30,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,429.14 : 60,606.21 = 20,664.12 : x
  2. Step 2: Convert to fraction form
    40,429.14/60,606.21 = 20,664.12/x
  3. Step 3: Cross multiply
    40,429.14x = 60,606.21 × 20,664.12
  4. Step 4: Simplify right side
    40,429.14x = 1,252,373,996.19
  5. Step 5: Solve for x
    x = 1,252,373,996.19/40,429.14
  6. Step 6: Final answer
    x = 30,977.01

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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.