Home / 38,921.48-53,712.96-23,019.56

Finding the Fourth Proportional to 38,921.48, 53,712.96 and 23,019.56

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Solution

The fourth proportional to 38,921.48, 53,712.96 and 23,019.56 is: 31,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.48 : 53,712.96 = 23,019.56 : x
  2. Step 2: Convert to fraction form
    38,921.48/53,712.96 = 23,019.56/x
  3. Step 3: Cross multiply
    38,921.48x = 53,712.96 × 23,019.56
  4. Step 4: Simplify right side
    38,921.48x = 1,236,448,705.50
  5. Step 5: Solve for x
    x = 1,236,448,705.50/38,921.48
  6. Step 6: Final answer
    x = 31,767.77

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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.