Home / 38,971.23-58,498.19-31,663.89

Finding the Fourth Proportional to 38,971.23, 58,498.19 and 31,663.89

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Solution

The fourth proportional to 38,971.23, 58,498.19 and 31,663.89 is: 47,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.23 : 58,498.19 = 31,663.89 : x
  2. Step 2: Convert to fraction form
    38,971.23/58,498.19 = 31,663.89/x
  3. Step 3: Cross multiply
    38,971.23x = 58,498.19 × 31,663.89
  4. Step 4: Simplify right side
    38,971.23x = 1,852,280,095.04
  5. Step 5: Solve for x
    x = 1,852,280,095.04/38,971.23
  6. Step 6: Final answer
    x = 47,529.42

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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.