Home / 39,820.84-59,731.26-16,421.56

Finding the Fourth Proportional to 39,820.84, 59,731.26 and 16,421.56

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Solution

The fourth proportional to 39,820.84, 59,731.26 and 16,421.56 is: 24,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.84 : 59,731.26 = 16,421.56 : x
  2. Step 2: Convert to fraction form
    39,820.84/59,731.26 = 16,421.56/x
  3. Step 3: Cross multiply
    39,820.84x = 59,731.26 × 16,421.56
  4. Step 4: Simplify right side
    39,820.84x = 980,880,469.97
  5. Step 5: Solve for x
    x = 980,880,469.97/39,820.84
  6. Step 6: Final answer
    x = 24,632.34

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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.