Home / 38,632.72-53,108-33,235.36

Finding the Fourth Proportional to 38,632.72, 53,108 and 33,235.36

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Solution

The fourth proportional to 38,632.72, 53,108 and 33,235.36 is: 45,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.72 : 53,108 = 33,235.36 : x
  2. Step 2: Convert to fraction form
    38,632.72/53,108 = 33,235.36/x
  3. Step 3: Cross multiply
    38,632.72x = 53,108 × 33,235.36
  4. Step 4: Simplify right side
    38,632.72x = 1,765,063,498.88
  5. Step 5: Solve for x
    x = 1,765,063,498.88/38,632.72
  6. Step 6: Final answer
    x = 45,688.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.