Home / 38,880,212.70-58,320,319.05-31,321,940.70

Finding the Fourth Proportional to 38,880,212.70, 58,320,319.05 and 31,321,940.70

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Solution

The fourth proportional to 38,880,212.70, 58,320,319.05 and 31,321,940.70 is: 46,982,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880,212.70 : 58,320,319.05 = 31,321,940.70 : x
  2. Step 2: Convert to fraction form
    38,880,212.70/58,320,319.05 = 31,321,940.70/x
  3. Step 3: Cross multiply
    38,880,212.70x = 58,320,319.05 × 31,321,940.70
  4. Step 4: Simplify right side
    38,880,212.70x = 1,826,705,574,889,180.25
  5. Step 5: Solve for x
    x = 1,826,705,574,889,180.25/38,880,212.70
  6. Step 6: Final answer
    x = 46,982,911.05

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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.