Home / 40,808.37-61,245.36-21,092.70

Finding the Fourth Proportional to 40,808.37, 61,245.36 and 21,092.70

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Solution

The fourth proportional to 40,808.37, 61,245.36 and 21,092.70 is: 31,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,808.37 : 61,245.36 = 21,092.70 : x
  2. Step 2: Convert to fraction form
    40,808.37/61,245.36 = 21,092.70/x
  3. Step 3: Cross multiply
    40,808.37x = 61,245.36 × 21,092.70
  4. Step 4: Simplify right side
    40,808.37x = 1,291,830,004.87
  5. Step 5: Solve for x
    x = 1,291,830,004.87/40,808.37
  6. Step 6: Final answer
    x = 31,656.01

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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.