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Finding the Fourth Proportional to 40,362.69, 60,488.75 and 20,599.81

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Solution

The fourth proportional to 40,362.69, 60,488.75 and 20,599.81 is: 30,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.69 : 60,488.75 = 20,599.81 : x
  2. Step 2: Convert to fraction form
    40,362.69/60,488.75 = 20,599.81/x
  3. Step 3: Cross multiply
    40,362.69x = 60,488.75 × 20,599.81
  4. Step 4: Simplify right side
    40,362.69x = 1,246,056,757.14
  5. Step 5: Solve for x
    x = 1,246,056,757.14/40,362.69
  6. Step 6: Final answer
    x = 30,871.50

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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.