Home / 30,363.51-45,243.42-27,051.15

Finding the Fourth Proportional to 30,363.51, 45,243.42 and 27,051.15

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Solution

The fourth proportional to 30,363.51, 45,243.42 and 27,051.15 is: 40,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.51 : 45,243.42 = 27,051.15 : x
  2. Step 2: Convert to fraction form
    30,363.51/45,243.42 = 27,051.15/x
  3. Step 3: Cross multiply
    30,363.51x = 45,243.42 × 27,051.15
  4. Step 4: Simplify right side
    30,363.51x = 1,223,886,540.93
  5. Step 5: Solve for x
    x = 1,223,886,540.93/30,363.51
  6. Step 6: Final answer
    x = 40,307.81

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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.