Home / 30,203.19-45,083.84-28,007.70

Finding the Fourth Proportional to 30,203.19, 45,083.84 and 28,007.70

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Solution

The fourth proportional to 30,203.19, 45,083.84 and 28,007.70 is: 41,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.19 : 45,083.84 = 28,007.70 : x
  2. Step 2: Convert to fraction form
    30,203.19/45,083.84 = 28,007.70/x
  3. Step 3: Cross multiply
    30,203.19x = 45,083.84 × 28,007.70
  4. Step 4: Simplify right side
    30,203.19x = 1,262,694,525.53
  5. Step 5: Solve for x
    x = 1,262,694,525.53/30,203.19
  6. Step 6: Final answer
    x = 41,806.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.