Home / 36,148.29-53,976.42-31,896.09

Finding the Fourth Proportional to 36,148.29, 53,976.42 and 31,896.09

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Solution

The fourth proportional to 36,148.29, 53,976.42 and 31,896.09 is: 47,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.29 : 53,976.42 = 31,896.09 : x
  2. Step 2: Convert to fraction form
    36,148.29/53,976.42 = 31,896.09/x
  3. Step 3: Cross multiply
    36,148.29x = 53,976.42 × 31,896.09
  4. Step 4: Simplify right side
    36,148.29x = 1,721,636,750.20
  5. Step 5: Solve for x
    x = 1,721,636,750.20/36,148.29
  6. Step 6: Final answer
    x = 47,627.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.