Home / 38,502.78-53,133.83-23,400.31

Finding the Fourth Proportional to 38,502.78, 53,133.83 and 23,400.31

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Solution

The fourth proportional to 38,502.78, 53,133.83 and 23,400.31 is: 32,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.78 : 53,133.83 = 23,400.31 : x
  2. Step 2: Convert to fraction form
    38,502.78/53,133.83 = 23,400.31/x
  3. Step 3: Cross multiply
    38,502.78x = 53,133.83 × 23,400.31
  4. Step 4: Simplify right side
    38,502.78x = 1,243,347,710.82
  5. Step 5: Solve for x
    x = 1,243,347,710.82/38,502.78
  6. Step 6: Final answer
    x = 32,292.42

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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.