Home / 63,090.90-94,635.68-18,718.09

Finding the Fourth Proportional to 63,090.90, 94,635.68 and 18,718.09

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Solution

The fourth proportional to 63,090.90, 94,635.68 and 18,718.09 is: 28,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,090.90 : 94,635.68 = 18,718.09 : x
  2. Step 2: Convert to fraction form
    63,090.90/94,635.68 = 18,718.09/x
  3. Step 3: Cross multiply
    63,090.90x = 94,635.68 × 18,718.09
  4. Step 4: Simplify right side
    63,090.90x = 1,771,398,845.27
  5. Step 5: Solve for x
    x = 1,771,398,845.27/63,090.90
  6. Step 6: Final answer
    x = 28,076.93

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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.