Home / 40,010.51-55,215.61-22,106.68

Finding the Fourth Proportional to 40,010.51, 55,215.61 and 22,106.68

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Solution

The fourth proportional to 40,010.51, 55,215.61 and 22,106.68 is: 30,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.51 : 55,215.61 = 22,106.68 : x
  2. Step 2: Convert to fraction form
    40,010.51/55,215.61 = 22,106.68/x
  3. Step 3: Cross multiply
    40,010.51x = 55,215.61 × 22,106.68
  4. Step 4: Simplify right side
    40,010.51x = 1,220,633,627.97
  5. Step 5: Solve for x
    x = 1,220,633,627.97/40,010.51
  6. Step 6: Final answer
    x = 30,507.82

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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.