Home / 43,486.08-59,984.25-28,751.90

Finding the Fourth Proportional to 43,486.08, 59,984.25 and 28,751.90

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Solution

The fourth proportional to 43,486.08, 59,984.25 and 28,751.90 is: 39,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.08 : 59,984.25 = 28,751.90 : x
  2. Step 2: Convert to fraction form
    43,486.08/59,984.25 = 28,751.90/x
  3. Step 3: Cross multiply
    43,486.08x = 59,984.25 × 28,751.90
  4. Step 4: Simplify right side
    43,486.08x = 1,724,660,857.65
  5. Step 5: Solve for x
    x = 1,724,660,857.65/43,486.08
  6. Step 6: Final answer
    x = 39,660.07

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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.