Home / 43,318.04-64,977.05-18,357.53

Finding the Fourth Proportional to 43,318.04, 64,977.05 and 18,357.53

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Solution

The fourth proportional to 43,318.04, 64,977.05 and 18,357.53 is: 27,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.04 : 64,977.05 = 18,357.53 : x
  2. Step 2: Convert to fraction form
    43,318.04/64,977.05 = 18,357.53/x
  3. Step 3: Cross multiply
    43,318.04x = 64,977.05 × 18,357.53
  4. Step 4: Simplify right side
    43,318.04x = 1,192,817,865.70
  5. Step 5: Solve for x
    x = 1,192,817,865.70/43,318.04
  6. Step 6: Final answer
    x = 27,536.29

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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.