Home / 52,579.80-72,561.15-28,706.54

Finding the Fourth Proportional to 52,579.80, 72,561.15 and 28,706.54

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Solution

The fourth proportional to 52,579.80, 72,561.15 and 28,706.54 is: 39,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.80 : 72,561.15 = 28,706.54 : x
  2. Step 2: Convert to fraction form
    52,579.80/72,561.15 = 28,706.54/x
  3. Step 3: Cross multiply
    52,579.80x = 72,561.15 × 28,706.54
  4. Step 4: Simplify right side
    52,579.80x = 2,082,979,192.12
  5. Step 5: Solve for x
    x = 2,082,979,192.12/52,579.80
  6. Step 6: Final answer
    x = 39,615.58

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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.