Home / 40,941.81-61,298.82-20,908.02

Finding the Fourth Proportional to 40,941.81, 61,298.82 and 20,908.02

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Solution

The fourth proportional to 40,941.81, 61,298.82 and 20,908.02 is: 31,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,941.81 : 61,298.82 = 20,908.02 : x
  2. Step 2: Convert to fraction form
    40,941.81/61,298.82 = 20,908.02/x
  3. Step 3: Cross multiply
    40,941.81x = 61,298.82 × 20,908.02
  4. Step 4: Simplify right side
    40,941.81x = 1,281,636,954.54
  5. Step 5: Solve for x
    x = 1,281,636,954.54/40,941.81
  6. Step 6: Final answer
    x = 31,303.87

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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.