Home / 31,738.05-47,579.13-12,030.48

Finding the Fourth Proportional to 31,738.05, 47,579.13 and 12,030.48

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Solution

The fourth proportional to 31,738.05, 47,579.13 and 12,030.48 is: 18,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.05 : 47,579.13 = 12,030.48 : x
  2. Step 2: Convert to fraction form
    31,738.05/47,579.13 = 12,030.48/x
  3. Step 3: Cross multiply
    31,738.05x = 47,579.13 × 12,030.48
  4. Step 4: Simplify right side
    31,738.05x = 572,399,771.88
  5. Step 5: Solve for x
    x = 572,399,771.88/31,738.05
  6. Step 6: Final answer
    x = 18,035.13

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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.