Home / 37,859.40-52,243.92-20,860.36

Finding the Fourth Proportional to 37,859.40, 52,243.92 and 20,860.36

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Solution

The fourth proportional to 37,859.40, 52,243.92 and 20,860.36 is: 28,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,859.40 : 52,243.92 = 20,860.36 : x
  2. Step 2: Convert to fraction form
    37,859.40/52,243.92 = 20,860.36/x
  3. Step 3: Cross multiply
    37,859.40x = 52,243.92 × 20,860.36
  4. Step 4: Simplify right side
    37,859.40x = 1,089,826,979.01
  5. Step 5: Solve for x
    x = 1,089,826,979.01/37,859.40
  6. Step 6: Final answer
    x = 28,786.17

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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.