Home / 34,870.92-52,289.94-12,668.64

Finding the Fourth Proportional to 34,870.92, 52,289.94 and 12,668.64

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Solution

The fourth proportional to 34,870.92, 52,289.94 and 12,668.64 is: 18,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.92 : 52,289.94 = 12,668.64 : x
  2. Step 2: Convert to fraction form
    34,870.92/52,289.94 = 12,668.64/x
  3. Step 3: Cross multiply
    34,870.92x = 52,289.94 × 12,668.64
  4. Step 4: Simplify right side
    34,870.92x = 662,442,425.48
  5. Step 5: Solve for x
    x = 662,442,425.48/34,870.92
  6. Step 6: Final answer
    x = 18,996.99

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1.5x scale

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.