Home / 30,050.36-41,456.47-18,106.91

Finding the Fourth Proportional to 30,050.36, 41,456.47 and 18,106.91

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Solution

The fourth proportional to 30,050.36, 41,456.47 and 18,106.91 is: 24,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.36 : 41,456.47 = 18,106.91 : x
  2. Step 2: Convert to fraction form
    30,050.36/41,456.47 = 18,106.91/x
  3. Step 3: Cross multiply
    30,050.36x = 41,456.47 × 18,106.91
  4. Step 4: Simplify right side
    30,050.36x = 750,648,629.58
  5. Step 5: Solve for x
    x = 750,648,629.58/30,050.36
  6. Step 6: Final answer
    x = 24,979.69

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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.