Home / 35,245.78-48,637.74-21,090.22

Finding the Fourth Proportional to 35,245.78, 48,637.74 and 21,090.22

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Solution

The fourth proportional to 35,245.78, 48,637.74 and 21,090.22 is: 29,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.78 : 48,637.74 = 21,090.22 : x
  2. Step 2: Convert to fraction form
    35,245.78/48,637.74 = 21,090.22/x
  3. Step 3: Cross multiply
    35,245.78x = 48,637.74 × 21,090.22
  4. Step 4: Simplify right side
    35,245.78x = 1,025,780,636.90
  5. Step 5: Solve for x
    x = 1,025,780,636.90/35,245.78
  6. Step 6: Final answer
    x = 29,103.64

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1.5x scale

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.