Home / 40,298.56-55,621.04-22,399.84

Finding the Fourth Proportional to 40,298.56, 55,621.04 and 22,399.84

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Solution

The fourth proportional to 40,298.56, 55,621.04 and 22,399.84 is: 30,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.56 : 55,621.04 = 22,399.84 : x
  2. Step 2: Convert to fraction form
    40,298.56/55,621.04 = 22,399.84/x
  3. Step 3: Cross multiply
    40,298.56x = 55,621.04 × 22,399.84
  4. Step 4: Simplify right side
    40,298.56x = 1,245,902,396.63
  5. Step 5: Solve for x
    x = 1,245,902,396.63/40,298.56
  6. Step 6: Final answer
    x = 30,916.80

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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.