Home / 38,858.08-53,624.08-21,862.34

Finding the Fourth Proportional to 38,858.08, 53,624.08 and 21,862.34

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Solution

The fourth proportional to 38,858.08, 53,624.08 and 21,862.34 is: 30,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858.08 : 53,624.08 = 21,862.34 : x
  2. Step 2: Convert to fraction form
    38,858.08/53,624.08 = 21,862.34/x
  3. Step 3: Cross multiply
    38,858.08x = 53,624.08 × 21,862.34
  4. Step 4: Simplify right side
    38,858.08x = 1,172,347,869.15
  5. Step 5: Solve for x
    x = 1,172,347,869.15/38,858.08
  6. Step 6: Final answer
    x = 30,169.99

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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.