Home / 38,490.62-53,120.94-23,384.80

Finding the Fourth Proportional to 38,490.62, 53,120.94 and 23,384.80

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Solution

The fourth proportional to 38,490.62, 53,120.94 and 23,384.80 is: 32,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490.62 : 53,120.94 = 23,384.80 : x
  2. Step 2: Convert to fraction form
    38,490.62/53,120.94 = 23,384.80/x
  3. Step 3: Cross multiply
    38,490.62x = 53,120.94 × 23,384.80
  4. Step 4: Simplify right side
    38,490.62x = 1,242,222,292.11
  5. Step 5: Solve for x
    x = 1,242,222,292.11/38,490.62
  6. Step 6: Final answer
    x = 32,273.38

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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.