Home / 34,601.05-47,749.45-18,685.50

Finding the Fourth Proportional to 34,601.05, 47,749.45 and 18,685.50

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Solution

The fourth proportional to 34,601.05, 47,749.45 and 18,685.50 is: 25,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,601.05 : 47,749.45 = 18,685.50 : x
  2. Step 2: Convert to fraction form
    34,601.05/47,749.45 = 18,685.50/x
  3. Step 3: Cross multiply
    34,601.05x = 47,749.45 × 18,685.50
  4. Step 4: Simplify right side
    34,601.05x = 892,222,145.55
  5. Step 5: Solve for x
    x = 892,222,145.55/34,601.05
  6. Step 6: Final answer
    x = 25,785.99

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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.