Home / 40,970.15-61,474.36-21,237.95

Finding the Fourth Proportional to 40,970.15, 61,474.36 and 21,237.95

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Solution

The fourth proportional to 40,970.15, 61,474.36 and 21,237.95 is: 31,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970.15 : 61,474.36 = 21,237.95 : x
  2. Step 2: Convert to fraction form
    40,970.15/61,474.36 = 21,237.95/x
  3. Step 3: Cross multiply
    40,970.15x = 61,474.36 × 21,237.95
  4. Step 4: Simplify right side
    40,970.15x = 1,305,589,076.59
  5. Step 5: Solve for x
    x = 1,305,589,076.59/40,970.15
  6. Step 6: Final answer
    x = 31,866.84

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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.