Home / 40,090.39-55,323.95-22,186.15

Finding the Fourth Proportional to 40,090.39, 55,323.95 and 22,186.15

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Solution

The fourth proportional to 40,090.39, 55,323.95 and 22,186.15 is: 30,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.39 : 55,323.95 = 22,186.15 : x
  2. Step 2: Convert to fraction form
    40,090.39/55,323.95 = 22,186.15/x
  3. Step 3: Cross multiply
    40,090.39x = 55,323.95 × 22,186.15
  4. Step 4: Simplify right side
    40,090.39x = 1,227,425,204.05
  5. Step 5: Solve for x
    x = 1,227,425,204.05/40,090.39
  6. Step 6: Final answer
    x = 30,616.45

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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.