Home / 43,268.70-64,903.05-34,520.70

Finding the Fourth Proportional to 43,268.70, 64,903.05 and 34,520.70

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Solution

The fourth proportional to 43,268.70, 64,903.05 and 34,520.70 is: 51,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.70 : 64,903.05 = 34,520.70 : x
  2. Step 2: Convert to fraction form
    43,268.70/64,903.05 = 34,520.70/x
  3. Step 3: Cross multiply
    43,268.70x = 64,903.05 × 34,520.70
  4. Step 4: Simplify right side
    43,268.70x = 2,240,498,718.14
  5. Step 5: Solve for x
    x = 2,240,498,718.14/43,268.70
  6. Step 6: Final answer
    x = 51,781.05

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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.