Home / 34,076.16-47,015.64-21,971.52

Finding the Fourth Proportional to 34,076.16, 47,015.64 and 21,971.52

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Solution

The fourth proportional to 34,076.16, 47,015.64 and 21,971.52 is: 30,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,076.16 : 47,015.64 = 21,971.52 : x
  2. Step 2: Convert to fraction form
    34,076.16/47,015.64 = 21,971.52/x
  3. Step 3: Cross multiply
    34,076.16x = 47,015.64 × 21,971.52
  4. Step 4: Simplify right side
    34,076.16x = 1,033,005,074.57
  5. Step 5: Solve for x
    x = 1,033,005,074.57/34,076.16
  6. Step 6: Final answer
    x = 30,314.60

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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.