Home / 52,478.05-72,418.97-28,604.82

Finding the Fourth Proportional to 52,478.05, 72,418.97 and 28,604.82

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Solution

The fourth proportional to 52,478.05, 72,418.97 and 28,604.82 is: 39,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,478.05 : 72,418.97 = 28,604.82 : x
  2. Step 2: Convert to fraction form
    52,478.05/72,418.97 = 28,604.82/x
  3. Step 3: Cross multiply
    52,478.05x = 72,418.97 × 28,604.82
  4. Step 4: Simplify right side
    52,478.05x = 2,071,531,601.44
  5. Step 5: Solve for x
    x = 2,071,531,601.44/52,478.05
  6. Step 6: Final answer
    x = 39,474.25

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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.