Home / 38,968.79-58,494.51-31,661.48

Finding the Fourth Proportional to 38,968.79, 58,494.51 and 31,661.48

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Solution

The fourth proportional to 38,968.79, 58,494.51 and 31,661.48 is: 47,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.79 : 58,494.51 = 31,661.48 : x
  2. Step 2: Convert to fraction form
    38,968.79/58,494.51 = 31,661.48/x
  3. Step 3: Cross multiply
    38,968.79x = 58,494.51 × 31,661.48
  4. Step 4: Simplify right side
    38,968.79x = 1,852,022,904.71
  5. Step 5: Solve for x
    x = 1,852,022,904.71/38,968.79
  6. Step 6: Final answer
    x = 47,525.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.