Home / 52,659.30-72,669.84-28,786.08

Finding the Fourth Proportional to 52,659.30, 72,669.84 and 28,786.08

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Solution

The fourth proportional to 52,659.30, 72,669.84 and 28,786.08 is: 39,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,659.30 : 72,669.84 = 28,786.08 : x
  2. Step 2: Convert to fraction form
    52,659.30/72,669.84 = 28,786.08/x
  3. Step 3: Cross multiply
    52,659.30x = 72,669.84 × 28,786.08
  4. Step 4: Simplify right side
    52,659.30x = 2,091,879,827.83
  5. Step 5: Solve for x
    x = 2,091,879,827.83/52,659.30
  6. Step 6: Final answer
    x = 39,724.79

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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.