Home / 43,508.12-60,019.85-28,393.79

Finding the Fourth Proportional to 43,508.12, 60,019.85 and 28,393.79

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Solution

The fourth proportional to 43,508.12, 60,019.85 and 28,393.79 is: 39,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.12 : 60,019.85 = 28,393.79 : x
  2. Step 2: Convert to fraction form
    43,508.12/60,019.85 = 28,393.79/x
  3. Step 3: Cross multiply
    43,508.12x = 60,019.85 × 28,393.79
  4. Step 4: Simplify right side
    43,508.12x = 1,704,190,574.66
  5. Step 5: Solve for x
    x = 1,704,190,574.66/43,508.12
  6. Step 6: Final answer
    x = 39,169.49

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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.