Home / 35,370.70-48,790.21-21,761.06

Finding the Fourth Proportional to 35,370.70, 48,790.21 and 21,761.06

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Solution

The fourth proportional to 35,370.70, 48,790.21 and 21,761.06 is: 30,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.70 : 48,790.21 = 21,761.06 : x
  2. Step 2: Convert to fraction form
    35,370.70/48,790.21 = 21,761.06/x
  3. Step 3: Cross multiply
    35,370.70x = 48,790.21 × 21,761.06
  4. Step 4: Simplify right side
    35,370.70x = 1,061,726,687.22
  5. Step 5: Solve for x
    x = 1,061,726,687.22/35,370.70
  6. Step 6: Final answer
    x = 30,017.12

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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.