Home / 43,025.10-64,538.76-20,834.34

Finding the Fourth Proportional to 43,025.10, 64,538.76 and 20,834.34

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Solution

The fourth proportional to 43,025.10, 64,538.76 and 20,834.34 is: 31,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,025.10 : 64,538.76 = 20,834.34 : x
  2. Step 2: Convert to fraction form
    43,025.10/64,538.76 = 20,834.34/x
  3. Step 3: Cross multiply
    43,025.10x = 64,538.76 × 20,834.34
  4. Step 4: Simplify right side
    43,025.10x = 1,344,622,469.02
  5. Step 5: Solve for x
    x = 1,344,622,469.02/43,025.10
  6. Step 6: Final answer
    x = 31,252.05

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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.