Home / 52,212.30-72,052.98-28,338.96

Finding the Fourth Proportional to 52,212.30, 72,052.98 and 28,338.96

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Solution

The fourth proportional to 52,212.30, 72,052.98 and 28,338.96 is: 39,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.30 : 72,052.98 = 28,338.96 : x
  2. Step 2: Convert to fraction form
    52,212.30/72,052.98 = 28,338.96/x
  3. Step 3: Cross multiply
    52,212.30x = 72,052.98 × 28,338.96
  4. Step 4: Simplify right side
    52,212.30x = 2,041,906,682.03
  5. Step 5: Solve for x
    x = 2,041,906,682.03/52,212.30
  6. Step 6: Final answer
    x = 39,107.77

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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.