Home / 38,927.05-53,724.54-21,934.60

Finding the Fourth Proportional to 38,927.05, 53,724.54 and 21,934.60

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Solution

The fourth proportional to 38,927.05, 53,724.54 and 21,934.60 is: 30,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.05 : 53,724.54 = 21,934.60 : x
  2. Step 2: Convert to fraction form
    38,927.05/53,724.54 = 21,934.60/x
  3. Step 3: Cross multiply
    38,927.05x = 53,724.54 × 21,934.60
  4. Step 4: Simplify right side
    38,927.05x = 1,178,426,295.08
  5. Step 5: Solve for x
    x = 1,178,426,295.08/38,927.05
  6. Step 6: Final answer
    x = 30,272.68

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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.