Home / 40,383.63-55,727.78-22,478.13

Finding the Fourth Proportional to 40,383.63, 55,727.78 and 22,478.13

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Solution

The fourth proportional to 40,383.63, 55,727.78 and 22,478.13 is: 31,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.63 : 55,727.78 = 22,478.13 : x
  2. Step 2: Convert to fraction form
    40,383.63/55,727.78 = 22,478.13/x
  3. Step 3: Cross multiply
    40,383.63x = 55,727.78 × 22,478.13
  4. Step 4: Simplify right side
    40,383.63x = 1,252,656,171.06
  5. Step 5: Solve for x
    x = 1,252,656,171.06/40,383.63
  6. Step 6: Final answer
    x = 31,018.91

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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.