Home / 43,429.42-59,930.04-28,350.46

Finding the Fourth Proportional to 43,429.42, 59,930.04 and 28,350.46

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Solution

The fourth proportional to 43,429.42, 59,930.04 and 28,350.46 is: 39,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,429.42 : 59,930.04 = 28,350.46 : x
  2. Step 2: Convert to fraction form
    43,429.42/59,930.04 = 28,350.46/x
  3. Step 3: Cross multiply
    43,429.42x = 59,930.04 × 28,350.46
  4. Step 4: Simplify right side
    43,429.42x = 1,699,044,201.82
  5. Step 5: Solve for x
    x = 1,699,044,201.82/43,429.42
  6. Step 6: Final answer
    x = 39,121.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.