Home / 40,108,962-55,351,038.24-21,774,247.44

Finding the Fourth Proportional to 40,108,962, 55,351,038.24 and 21,774,247.44

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Solution

The fourth proportional to 40,108,962, 55,351,038.24 and 21,774,247.44 is: 30,048,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108,962 : 55,351,038.24 = 21,774,247.44 : x
  2. Step 2: Convert to fraction form
    40,108,962/55,351,038.24 = 21,774,247.44/x
  3. Step 3: Cross multiply
    40,108,962x = 55,351,038.24 × 21,774,247.44
  4. Step 4: Simplify right side
    40,108,962x = 1,205,227,202,698,662.25
  5. Step 5: Solve for x
    x = 1,205,227,202,698,662.25/40,108,962
  6. Step 6: Final answer
    x = 30,048,825.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.