Home / 30,112.04-45,211.80-22,238.84

Finding the Fourth Proportional to 30,112.04, 45,211.80 and 22,238.84

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Solution

The fourth proportional to 30,112.04, 45,211.80 and 22,238.84 is: 33,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.04 : 45,211.80 = 22,238.84 : x
  2. Step 2: Convert to fraction form
    30,112.04/45,211.80 = 22,238.84/x
  3. Step 3: Cross multiply
    30,112.04x = 45,211.80 × 22,238.84
  4. Step 4: Simplify right side
    30,112.04x = 1,005,457,986.31
  5. Step 5: Solve for x
    x = 1,005,457,986.31/30,112.04
  6. Step 6: Final answer
    x = 33,390.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.