Home / 35,371.88-48,820.12-20,274.66

Finding the Fourth Proportional to 35,371.88, 48,820.12 and 20,274.66

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Solution

The fourth proportional to 35,371.88, 48,820.12 and 20,274.66 is: 27,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.88 : 48,820.12 = 20,274.66 : x
  2. Step 2: Convert to fraction form
    35,371.88/48,820.12 = 20,274.66/x
  3. Step 3: Cross multiply
    35,371.88x = 48,820.12 × 20,274.66
  4. Step 4: Simplify right side
    35,371.88x = 989,811,090.06
  5. Step 5: Solve for x
    x = 989,811,090.06/35,371.88
  6. Step 6: Final answer
    x = 27,983.00

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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.