Home / 31,575,179.85-47,362,769.78-21,371,512.65

Finding the Fourth Proportional to 31,575,179.85, 47,362,769.78 and 21,371,512.65

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Solution

The fourth proportional to 31,575,179.85, 47,362,769.78 and 21,371,512.65 is: 32,057,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575,179.85 : 47,362,769.78 = 21,371,512.65 : x
  2. Step 2: Convert to fraction form
    31,575,179.85/47,362,769.78 = 21,371,512.65/x
  3. Step 3: Cross multiply
    31,575,179.85x = 47,362,769.78 × 21,371,512.65
  4. Step 4: Simplify right side
    31,575,179.85x = 1,012,214,033,385,450
  5. Step 5: Solve for x
    x = 1,012,214,033,385,450/31,575,179.85
  6. Step 6: Final answer
    x = 32,057,268.98

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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.