Home / 34,237.32-47,243.16-20,085

Finding the Fourth Proportional to 34,237.32, 47,243.16 and 20,085

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Solution

The fourth proportional to 34,237.32, 47,243.16 and 20,085 is: 27,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.32 : 47,243.16 = 20,085 : x
  2. Step 2: Convert to fraction form
    34,237.32/47,243.16 = 20,085/x
  3. Step 3: Cross multiply
    34,237.32x = 47,243.16 × 20,085
  4. Step 4: Simplify right side
    34,237.32x = 948,878,868.60
  5. Step 5: Solve for x
    x = 948,878,868.60/34,237.32
  6. Step 6: Final answer
    x = 27,714.75

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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.