Home / 20,637.74-30,956.30-5,055.37

Finding the Fourth Proportional to 20,637.74, 30,956.30 and 5,055.37

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Solution

The fourth proportional to 20,637.74, 30,956.30 and 5,055.37 is: 7,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.74 : 30,956.30 = 5,055.37 : x
  2. Step 2: Convert to fraction form
    20,637.74/30,956.30 = 5,055.37/x
  3. Step 3: Cross multiply
    20,637.74x = 30,956.30 × 5,055.37
  4. Step 4: Simplify right side
    20,637.74x = 156,495,550.33
  5. Step 5: Solve for x
    x = 156,495,550.33/20,637.74
  6. Step 6: Final answer
    x = 7,582.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.