Home / 38,917.79-53,710.59-23,820.51

Finding the Fourth Proportional to 38,917.79, 53,710.59 and 23,820.51

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Solution

The fourth proportional to 38,917.79, 53,710.59 and 23,820.51 is: 32,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.79 : 53,710.59 = 23,820.51 : x
  2. Step 2: Convert to fraction form
    38,917.79/53,710.59 = 23,820.51/x
  3. Step 3: Cross multiply
    38,917.79x = 53,710.59 × 23,820.51
  4. Step 4: Simplify right side
    38,917.79x = 1,279,413,646.20
  5. Step 5: Solve for x
    x = 1,279,413,646.20/38,917.79
  6. Step 6: Final answer
    x = 32,874.78

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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.