Home / 52,212.08-72,052.73-28,338.75

Finding the Fourth Proportional to 52,212.08, 72,052.73 and 28,338.75

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Solution

The fourth proportional to 52,212.08, 72,052.73 and 28,338.75 is: 39,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.08 : 72,052.73 = 28,338.75 : x
  2. Step 2: Convert to fraction form
    52,212.08/72,052.73 = 28,338.75/x
  3. Step 3: Cross multiply
    52,212.08x = 72,052.73 × 28,338.75
  4. Step 4: Simplify right side
    52,212.08x = 2,041,884,426.27
  5. Step 5: Solve for x
    x = 2,041,884,426.27/52,212.08
  6. Step 6: Final answer
    x = 39,107.51

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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.