Home / 45,371.36-68,056.80-11,637.22

Finding the Fourth Proportional to 45,371.36, 68,056.80 and 11,637.22

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Solution

The fourth proportional to 45,371.36, 68,056.80 and 11,637.22 is: 17,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.36 : 68,056.80 = 11,637.22 : x
  2. Step 2: Convert to fraction form
    45,371.36/68,056.80 = 11,637.22/x
  3. Step 3: Cross multiply
    45,371.36x = 68,056.80 × 11,637.22
  4. Step 4: Simplify right side
    45,371.36x = 791,991,783.95
  5. Step 5: Solve for x
    x = 791,991,783.95/45,371.36
  6. Step 6: Final answer
    x = 17,455.77

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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.