Home / 31,635.62-47,429.80-19,152.64

Finding the Fourth Proportional to 31,635.62, 47,429.80 and 19,152.64

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Solution

The fourth proportional to 31,635.62, 47,429.80 and 19,152.64 is: 28,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.62 : 47,429.80 = 19,152.64 : x
  2. Step 2: Convert to fraction form
    31,635.62/47,429.80 = 19,152.64/x
  3. Step 3: Cross multiply
    31,635.62x = 47,429.80 × 19,152.64
  4. Step 4: Simplify right side
    31,635.62x = 908,405,896.08
  5. Step 5: Solve for x
    x = 908,405,896.08/31,635.62
  6. Step 6: Final answer
    x = 28,714.66

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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.