Home / 32,704.20-49,076.55-12,980.70

Finding the Fourth Proportional to 32,704.20, 49,076.55 and 12,980.70

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Solution

The fourth proportional to 32,704.20, 49,076.55 and 12,980.70 is: 19,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,704.20 : 49,076.55 = 12,980.70 : x
  2. Step 2: Convert to fraction form
    32,704.20/49,076.55 = 12,980.70/x
  3. Step 3: Cross multiply
    32,704.20x = 49,076.55 × 12,980.70
  4. Step 4: Simplify right side
    32,704.20x = 637,047,972.59
  5. Step 5: Solve for x
    x = 637,047,972.59/32,704.20
  6. Step 6: Final answer
    x = 19,479.09

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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.