Home / 35,690.05-49,254.26-20,381.12

Finding the Fourth Proportional to 35,690.05, 49,254.26 and 20,381.12

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Solution

The fourth proportional to 35,690.05, 49,254.26 and 20,381.12 is: 28,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.05 : 49,254.26 = 20,381.12 : x
  2. Step 2: Convert to fraction form
    35,690.05/49,254.26 = 20,381.12/x
  3. Step 3: Cross multiply
    35,690.05x = 49,254.26 × 20,381.12
  4. Step 4: Simplify right side
    35,690.05x = 1,003,856,635.39
  5. Step 5: Solve for x
    x = 1,003,856,635.39/35,690.05
  6. Step 6: Final answer
    x = 28,127.07

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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.