Home / 43,990.12-65,945.10-22,905.34

Finding the Fourth Proportional to 43,990.12, 65,945.10 and 22,905.34

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Solution

The fourth proportional to 43,990.12, 65,945.10 and 22,905.34 is: 34,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.12 : 65,945.10 = 22,905.34 : x
  2. Step 2: Convert to fraction form
    43,990.12/65,945.10 = 22,905.34/x
  3. Step 3: Cross multiply
    43,990.12x = 65,945.10 × 22,905.34
  4. Step 4: Simplify right side
    43,990.12x = 1,510,494,936.83
  5. Step 5: Solve for x
    x = 1,510,494,936.83/43,990.12
  6. Step 6: Final answer
    x = 34,337.14

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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.