Home / 40,352.10-55,685.79-22,448.22

Finding the Fourth Proportional to 40,352.10, 55,685.79 and 22,448.22

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Solution

The fourth proportional to 40,352.10, 55,685.79 and 22,448.22 is: 30,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,352.10 : 55,685.79 = 22,448.22 : x
  2. Step 2: Convert to fraction form
    40,352.10/55,685.79 = 22,448.22/x
  3. Step 3: Cross multiply
    40,352.10x = 55,685.79 × 22,448.22
  4. Step 4: Simplify right side
    40,352.10x = 1,250,046,864.79
  5. Step 5: Solve for x
    x = 1,250,046,864.79/40,352.10
  6. Step 6: Final answer
    x = 30,978.48

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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.