Home / 49,729.02-68,627.53-30,619.81

Finding the Fourth Proportional to 49,729.02, 68,627.53 and 30,619.81

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Solution

The fourth proportional to 49,729.02, 68,627.53 and 30,619.81 is: 42,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,729.02 : 68,627.53 = 30,619.81 : x
  2. Step 2: Convert to fraction form
    49,729.02/68,627.53 = 30,619.81/x
  3. Step 3: Cross multiply
    49,729.02x = 68,627.53 × 30,619.81
  4. Step 4: Simplify right side
    49,729.02x = 2,101,361,929.37
  5. Step 5: Solve for x
    x = 2,101,361,929.37/49,729.02
  6. Step 6: Final answer
    x = 42,256.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.