Home / 39,973.48-55,162.52-21,823.58

Finding the Fourth Proportional to 39,973.48, 55,162.52 and 21,823.58

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Solution

The fourth proportional to 39,973.48, 55,162.52 and 21,823.58 is: 30,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,973.48 : 55,162.52 = 21,823.58 : x
  2. Step 2: Convert to fraction form
    39,973.48/55,162.52 = 21,823.58/x
  3. Step 3: Cross multiply
    39,973.48x = 55,162.52 × 21,823.58
  4. Step 4: Simplify right side
    39,973.48x = 1,203,843,668.22
  5. Step 5: Solve for x
    x = 1,203,843,668.22/39,973.48
  6. Step 6: Final answer
    x = 30,116.06

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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.