Home / 38,497.55-53,177.62-30,972.23

Finding the Fourth Proportional to 38,497.55, 53,177.62 and 30,972.23

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Solution

The fourth proportional to 38,497.55, 53,177.62 and 30,972.23 is: 42,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,497.55 : 53,177.62 = 30,972.23 : x
  2. Step 2: Convert to fraction form
    38,497.55/53,177.62 = 30,972.23/x
  3. Step 3: Cross multiply
    38,497.55x = 53,177.62 × 30,972.23
  4. Step 4: Simplify right side
    38,497.55x = 1,647,029,477.49
  5. Step 5: Solve for x
    x = 1,647,029,477.49/38,497.55
  6. Step 6: Final answer
    x = 42,782.71

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Double scale
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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.