Home / 38,734.60-53,443.38-21,967.24

Finding the Fourth Proportional to 38,734.60, 53,443.38 and 21,967.24

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Solution

The fourth proportional to 38,734.60, 53,443.38 and 21,967.24 is: 30,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.60 : 53,443.38 = 21,967.24 : x
  2. Step 2: Convert to fraction form
    38,734.60/53,443.38 = 21,967.24/x
  3. Step 3: Cross multiply
    38,734.60x = 53,443.38 × 21,967.24
  4. Step 4: Simplify right side
    38,734.60x = 1,174,003,554.87
  5. Step 5: Solve for x
    x = 1,174,003,554.87/38,734.60
  6. Step 6: Final answer
    x = 30,308.91

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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.