Home / 45,712.53-68,575.36-14,125.35

Finding the Fourth Proportional to 45,712.53, 68,575.36 and 14,125.35

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Solution

The fourth proportional to 45,712.53, 68,575.36 and 14,125.35 is: 21,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712.53 : 68,575.36 = 14,125.35 : x
  2. Step 2: Convert to fraction form
    45,712.53/68,575.36 = 14,125.35/x
  3. Step 3: Cross multiply
    45,712.53x = 68,575.36 × 14,125.35
  4. Step 4: Simplify right side
    45,712.53x = 968,651,236.19
  5. Step 5: Solve for x
    x = 968,651,236.19/45,712.53
  6. Step 6: Final answer
    x = 21,190.06

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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.