Home / 52,868.45-72,959.40-28,994.92

Finding the Fourth Proportional to 52,868.45, 72,959.40 and 28,994.92

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Solution

The fourth proportional to 52,868.45, 72,959.40 and 28,994.92 is: 40,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,868.45 : 72,959.40 = 28,994.92 : x
  2. Step 2: Convert to fraction form
    52,868.45/72,959.40 = 28,994.92/x
  3. Step 3: Cross multiply
    52,868.45x = 72,959.40 × 28,994.92
  4. Step 4: Simplify right side
    52,868.45x = 2,115,451,783.85
  5. Step 5: Solve for x
    x = 2,115,451,783.85/52,868.45
  6. Step 6: Final answer
    x = 40,013.50

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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.