Home / 30,131.46-41,529.47-20,041.83

Finding the Fourth Proportional to 30,131.46, 41,529.47 and 20,041.83

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Solution

The fourth proportional to 30,131.46, 41,529.47 and 20,041.83 is: 27,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.46 : 41,529.47 = 20,041.83 : x
  2. Step 2: Convert to fraction form
    30,131.46/41,529.47 = 20,041.83/x
  3. Step 3: Cross multiply
    30,131.46x = 41,529.47 × 20,041.83
  4. Step 4: Simplify right side
    30,131.46x = 832,326,477.52
  5. Step 5: Solve for x
    x = 832,326,477.52/30,131.46
  6. Step 6: Final answer
    x = 27,623.17

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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.