Home / 35,020.80-48,329.40-19,105.68

Finding the Fourth Proportional to 35,020.80, 48,329.40 and 19,105.68

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Solution

The fourth proportional to 35,020.80, 48,329.40 and 19,105.68 is: 26,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,020.80 : 48,329.40 = 19,105.68 : x
  2. Step 2: Convert to fraction form
    35,020.80/48,329.40 = 19,105.68/x
  3. Step 3: Cross multiply
    35,020.80x = 48,329.40 × 19,105.68
  4. Step 4: Simplify right side
    35,020.80x = 923,366,050.99
  5. Step 5: Solve for x
    x = 923,366,050.99/35,020.80
  6. Step 6: Final answer
    x = 26,366.22

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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.