Home / 30,106.96-44,977.32-19,490.49

Finding the Fourth Proportional to 30,106.96, 44,977.32 and 19,490.49

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Solution

The fourth proportional to 30,106.96, 44,977.32 and 19,490.49 is: 29,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.96 : 44,977.32 = 19,490.49 : x
  2. Step 2: Convert to fraction form
    30,106.96/44,977.32 = 19,490.49/x
  3. Step 3: Cross multiply
    30,106.96x = 44,977.32 × 19,490.49
  4. Step 4: Simplify right side
    30,106.96x = 876,629,908.23
  5. Step 5: Solve for x
    x = 876,629,908.23/30,106.96
  6. Step 6: Final answer
    x = 29,117.19

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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.