Home / 37,929-52,344.54-21,162.36

Finding the Fourth Proportional to 37,929, 52,344.54 and 21,162.36

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Solution

The fourth proportional to 37,929, 52,344.54 and 21,162.36 is: 29,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,929 : 52,344.54 = 21,162.36 : x
  2. Step 2: Convert to fraction form
    37,929/52,344.54 = 21,162.36/x
  3. Step 3: Cross multiply
    37,929x = 52,344.54 × 21,162.36
  4. Step 4: Simplify right side
    37,929x = 1,107,733,999.51
  5. Step 5: Solve for x
    x = 1,107,733,999.51/37,929
  6. Step 6: Final answer
    x = 29,205.46

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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.