Home / 30,931,469.64-46,437,751.04-20,741,924.79

Finding the Fourth Proportional to 30,931,469.64, 46,437,751.04 and 20,741,924.79

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Solution

The fourth proportional to 30,931,469.64, 46,437,751.04 and 20,741,924.79 is: 31,140,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931,469.64 : 46,437,751.04 = 20,741,924.79 : x
  2. Step 2: Convert to fraction form
    30,931,469.64/46,437,751.04 = 20,741,924.79/x
  3. Step 3: Cross multiply
    30,931,469.64x = 46,437,751.04 × 20,741,924.79
  4. Step 4: Simplify right side
    30,931,469.64x = 963,208,339,384,714.50
  5. Step 5: Solve for x
    x = 963,208,339,384,714.50/30,931,469.64
  6. Step 6: Final answer
    x = 31,140,076.78

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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.