Home / 67,228.02-100,838.38-20,477.26

Finding the Fourth Proportional to 67,228.02, 100,838.38 and 20,477.26

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Solution

The fourth proportional to 67,228.02, 100,838.38 and 20,477.26 is: 30,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,228.02 : 100,838.38 = 20,477.26 : x
  2. Step 2: Convert to fraction form
    67,228.02/100,838.38 = 20,477.26/x
  3. Step 3: Cross multiply
    67,228.02x = 100,838.38 × 20,477.26
  4. Step 4: Simplify right side
    67,228.02x = 2,064,893,725.24
  5. Step 5: Solve for x
    x = 2,064,893,725.24/67,228.02
  6. Step 6: Final answer
    x = 30,714.78

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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.