Home / 40,172.94-60,266.24-13,871.52

Finding the Fourth Proportional to 40,172.94, 60,266.24 and 13,871.52

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Solution

The fourth proportional to 40,172.94, 60,266.24 and 13,871.52 is: 20,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.94 : 60,266.24 = 13,871.52 : x
  2. Step 2: Convert to fraction form
    40,172.94/60,266.24 = 13,871.52/x
  3. Step 3: Cross multiply
    40,172.94x = 60,266.24 × 13,871.52
  4. Step 4: Simplify right side
    40,172.94x = 835,984,353.48
  5. Step 5: Solve for x
    x = 835,984,353.48/40,172.94
  6. Step 6: Final answer
    x = 20,809.64

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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.