Home / 65,815.54-90,827.53-36,007.54

Finding the Fourth Proportional to 65,815.54, 90,827.53 and 36,007.54

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Solution

The fourth proportional to 65,815.54, 90,827.53 and 36,007.54 is: 49,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.54 : 90,827.53 = 36,007.54 : x
  2. Step 2: Convert to fraction form
    65,815.54/90,827.53 = 36,007.54/x
  3. Step 3: Cross multiply
    65,815.54x = 90,827.53 × 36,007.54
  4. Step 4: Simplify right side
    65,815.54x = 3,270,475,919.58
  5. Step 5: Solve for x
    x = 3,270,475,919.58/65,815.54
  6. Step 6: Final answer
    x = 49,691.55

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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.