Home / 40,840.05-61,238.36-14,179.31

Finding the Fourth Proportional to 40,840.05, 61,238.36 and 14,179.31

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Solution

The fourth proportional to 40,840.05, 61,238.36 and 14,179.31 is: 21,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.05 : 61,238.36 = 14,179.31 : x
  2. Step 2: Convert to fraction form
    40,840.05/61,238.36 = 14,179.31/x
  3. Step 3: Cross multiply
    40,840.05x = 61,238.36 × 14,179.31
  4. Step 4: Simplify right side
    40,840.05x = 868,317,649.23
  5. Step 5: Solve for x
    x = 868,317,649.23/40,840.05
  6. Step 6: Final answer
    x = 21,261.42

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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.