Home / 35,278.14-48,683.84-21,139.17

Finding the Fourth Proportional to 35,278.14, 48,683.84 and 21,139.17

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Solution

The fourth proportional to 35,278.14, 48,683.84 and 21,139.17 is: 29,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.14 : 48,683.84 = 21,139.17 : x
  2. Step 2: Convert to fraction form
    35,278.14/48,683.84 = 21,139.17/x
  3. Step 3: Cross multiply
    35,278.14x = 48,683.84 × 21,139.17
  4. Step 4: Simplify right side
    35,278.14x = 1,029,135,864.32
  5. Step 5: Solve for x
    x = 1,029,135,864.32/35,278.14
  6. Step 6: Final answer
    x = 29,172.06

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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.