Home / 65,377.74-90,240.62-38,528.85

Finding the Fourth Proportional to 65,377.74, 90,240.62 and 38,528.85

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Solution

The fourth proportional to 65,377.74, 90,240.62 and 38,528.85 is: 53,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.74 : 90,240.62 = 38,528.85 : x
  2. Step 2: Convert to fraction form
    65,377.74/90,240.62 = 38,528.85/x
  3. Step 3: Cross multiply
    65,377.74x = 90,240.62 × 38,528.85
  4. Step 4: Simplify right side
    65,377.74x = 3,476,867,119.24
  5. Step 5: Solve for x
    x = 3,476,867,119.24/65,377.74
  6. Step 6: Final answer
    x = 53,181.21

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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.