Home / 39,203.51-54,063.96-30,236.81

Finding the Fourth Proportional to 39,203.51, 54,063.96 and 30,236.81

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Solution

The fourth proportional to 39,203.51, 54,063.96 and 30,236.81 is: 41,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.51 : 54,063.96 = 30,236.81 : x
  2. Step 2: Convert to fraction form
    39,203.51/54,063.96 = 30,236.81/x
  3. Step 3: Cross multiply
    39,203.51x = 54,063.96 × 30,236.81
  4. Step 4: Simplify right side
    39,203.51x = 1,634,721,686.37
  5. Step 5: Solve for x
    x = 1,634,721,686.37/39,203.51
  6. Step 6: Final answer
    x = 41,698.35

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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.