Home / 52,320.36-72,202.64-28,447.58

Finding the Fourth Proportional to 52,320.36, 72,202.64 and 28,447.58

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Solution

The fourth proportional to 52,320.36, 72,202.64 and 28,447.58 is: 39,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.36 : 72,202.64 = 28,447.58 : x
  2. Step 2: Convert to fraction form
    52,320.36/72,202.64 = 28,447.58/x
  3. Step 3: Cross multiply
    52,320.36x = 72,202.64 × 28,447.58
  4. Step 4: Simplify right side
    52,320.36x = 2,053,990,377.61
  5. Step 5: Solve for x
    x = 2,053,990,377.61/52,320.36
  6. Step 6: Final answer
    x = 39,257.96

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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.