Home / 34,780.43-47,997.26-18,864.87

Finding the Fourth Proportional to 34,780.43, 47,997.26 and 18,864.87

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Solution

The fourth proportional to 34,780.43, 47,997.26 and 18,864.87 is: 26,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.43 : 47,997.26 = 18,864.87 : x
  2. Step 2: Convert to fraction form
    34,780.43/47,997.26 = 18,864.87/x
  3. Step 3: Cross multiply
    34,780.43x = 47,997.26 × 18,864.87
  4. Step 4: Simplify right side
    34,780.43x = 905,461,975.93
  5. Step 5: Solve for x
    x = 905,461,975.93/34,780.43
  6. Step 6: Final answer
    x = 26,033.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.