Home / 40,230.70-55,484.87-30,181.43

Finding the Fourth Proportional to 40,230.70, 55,484.87 and 30,181.43

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Solution

The fourth proportional to 40,230.70, 55,484.87 and 30,181.43 is: 41,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.70 : 55,484.87 = 30,181.43 : x
  2. Step 2: Convert to fraction form
    40,230.70/55,484.87 = 30,181.43/x
  3. Step 3: Cross multiply
    40,230.70x = 55,484.87 × 30,181.43
  4. Step 4: Simplify right side
    40,230.70x = 1,674,612,707.77
  5. Step 5: Solve for x
    x = 1,674,612,707.77/40,230.70
  6. Step 6: Final answer
    x = 41,625.25

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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.