Home / 39,358.37-58,988.34-31,005.39

Finding the Fourth Proportional to 39,358.37, 58,988.34 and 31,005.39

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Solution

The fourth proportional to 39,358.37, 58,988.34 and 31,005.39 is: 46,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.37 : 58,988.34 = 31,005.39 : x
  2. Step 2: Convert to fraction form
    39,358.37/58,988.34 = 31,005.39/x
  3. Step 3: Cross multiply
    39,358.37x = 58,988.34 × 31,005.39
  4. Step 4: Simplify right side
    39,358.37x = 1,828,956,487.15
  5. Step 5: Solve for x
    x = 1,828,956,487.15/39,358.37
  6. Step 6: Final answer
    x = 46,469.32

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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.