Home / 45,190.78-67,804.75-19,877.26

Finding the Fourth Proportional to 45,190.78, 67,804.75 and 19,877.26

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Solution

The fourth proportional to 45,190.78, 67,804.75 and 19,877.26 is: 29,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.78 : 67,804.75 = 19,877.26 : x
  2. Step 2: Convert to fraction form
    45,190.78/67,804.75 = 19,877.26/x
  3. Step 3: Cross multiply
    45,190.78x = 67,804.75 × 19,877.26
  4. Step 4: Simplify right side
    45,190.78x = 1,347,772,644.99
  5. Step 5: Solve for x
    x = 1,347,772,644.99/45,190.78
  6. Step 6: Final answer
    x = 29,824.06

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1.5x scale

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.