Home / 38,739.45-53,461.01-37,398.54

Finding the Fourth Proportional to 38,739.45, 53,461.01 and 37,398.54

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Solution

The fourth proportional to 38,739.45, 53,461.01 and 37,398.54 is: 51,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739.45 : 53,461.01 = 37,398.54 : x
  2. Step 2: Convert to fraction form
    38,739.45/53,461.01 = 37,398.54/x
  3. Step 3: Cross multiply
    38,739.45x = 53,461.01 × 37,398.54
  4. Step 4: Simplify right side
    38,739.45x = 1,999,364,014.90
  5. Step 5: Solve for x
    x = 1,999,364,014.90/38,739.45
  6. Step 6: Final answer
    x = 51,610.54

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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.