Home / 38,927.04-53,719.32-21,022.05

Finding the Fourth Proportional to 38,927.04, 53,719.32 and 21,022.05

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Solution

The fourth proportional to 38,927.04, 53,719.32 and 21,022.05 is: 29,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.04 : 53,719.32 = 21,022.05 : x
  2. Step 2: Convert to fraction form
    38,927.04/53,719.32 = 21,022.05/x
  3. Step 3: Cross multiply
    38,927.04x = 53,719.32 × 21,022.05
  4. Step 4: Simplify right side
    38,927.04x = 1,129,289,857.30
  5. Step 5: Solve for x
    x = 1,129,289,857.30/38,927.04
  6. Step 6: Final answer
    x = 29,010.42

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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.