Home / 40,030.77-55,243.32-22,127.76

Finding the Fourth Proportional to 40,030.77, 55,243.32 and 22,127.76

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Solution

The fourth proportional to 40,030.77, 55,243.32 and 22,127.76 is: 30,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.77 : 55,243.32 = 22,127.76 : x
  2. Step 2: Convert to fraction form
    40,030.77/55,243.32 = 22,127.76/x
  3. Step 3: Cross multiply
    40,030.77x = 55,243.32 × 22,127.76
  4. Step 4: Simplify right side
    40,030.77x = 1,222,410,926.56
  5. Step 5: Solve for x
    x = 1,222,410,926.56/40,030.77
  6. Step 6: Final answer
    x = 30,536.78

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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.