Home / 52,988-79,518.46-21,823.26

Finding the Fourth Proportional to 52,988, 79,518.46 and 21,823.26

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Solution

The fourth proportional to 52,988, 79,518.46 and 21,823.26 is: 32,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988 : 79,518.46 = 21,823.26 : x
  2. Step 2: Convert to fraction form
    52,988/79,518.46 = 21,823.26/x
  3. Step 3: Cross multiply
    52,988x = 79,518.46 × 21,823.26
  4. Step 4: Simplify right side
    52,988x = 1,735,352,027.38
  5. Step 5: Solve for x
    x = 1,735,352,027.38/52,988
  6. Step 6: Final answer
    x = 32,749.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.