Home / 34,078.49-47,027.20-18,970.65

Finding the Fourth Proportional to 34,078.49, 47,027.20 and 18,970.65

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Solution

The fourth proportional to 34,078.49, 47,027.20 and 18,970.65 is: 26,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.49 : 47,027.20 = 18,970.65 : x
  2. Step 2: Convert to fraction form
    34,078.49/47,027.20 = 18,970.65/x
  3. Step 3: Cross multiply
    34,078.49x = 47,027.20 × 18,970.65
  4. Step 4: Simplify right side
    34,078.49x = 892,136,551.68
  5. Step 5: Solve for x
    x = 892,136,551.68/34,078.49
  6. Step 6: Final answer
    x = 26,178.88

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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.