Home / 45,388.77-68,090.43-15,815.01

Finding the Fourth Proportional to 45,388.77, 68,090.43 and 15,815.01

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Solution

The fourth proportional to 45,388.77, 68,090.43 and 15,815.01 is: 23,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.77 : 68,090.43 = 15,815.01 : x
  2. Step 2: Convert to fraction form
    45,388.77/68,090.43 = 15,815.01/x
  3. Step 3: Cross multiply
    45,388.77x = 68,090.43 × 15,815.01
  4. Step 4: Simplify right side
    45,388.77x = 1,076,850,831.35
  5. Step 5: Solve for x
    x = 1,076,850,831.35/45,388.77
  6. Step 6: Final answer
    x = 23,725.05

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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.