Home / 75,314.35-112,971.53-30,929.18

Finding the Fourth Proportional to 75,314.35, 112,971.53 and 30,929.18

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Solution

The fourth proportional to 75,314.35, 112,971.53 and 30,929.18 is: 46,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,314.35 : 112,971.53 = 30,929.18 : x
  2. Step 2: Convert to fraction form
    75,314.35/112,971.53 = 30,929.18/x
  3. Step 3: Cross multiply
    75,314.35x = 112,971.53 × 30,929.18
  4. Step 4: Simplify right side
    75,314.35x = 3,494,116,914.03
  5. Step 5: Solve for x
    x = 3,494,116,914.03/75,314.35
  6. Step 6: Final answer
    x = 46,393.78

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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.