Home / 30,381.80-45,555.58-23,344.36

Finding the Fourth Proportional to 30,381.80, 45,555.58 and 23,344.36

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Solution

The fourth proportional to 30,381.80, 45,555.58 and 23,344.36 is: 35,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.80 : 45,555.58 = 23,344.36 : x
  2. Step 2: Convert to fraction form
    30,381.80/45,555.58 = 23,344.36/x
  3. Step 3: Cross multiply
    30,381.80x = 45,555.58 × 23,344.36
  4. Step 4: Simplify right side
    30,381.80x = 1,063,465,859.53
  5. Step 5: Solve for x
    x = 1,063,465,859.53/30,381.80
  6. Step 6: Final answer
    x = 35,003.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.