Home / 53,730.82-80,606.63-20,448.32

Finding the Fourth Proportional to 53,730.82, 80,606.63 and 20,448.32

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Solution

The fourth proportional to 53,730.82, 80,606.63 and 20,448.32 is: 30,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.82 : 80,606.63 = 20,448.32 : x
  2. Step 2: Convert to fraction form
    53,730.82/80,606.63 = 20,448.32/x
  3. Step 3: Cross multiply
    53,730.82x = 80,606.63 × 20,448.32
  4. Step 4: Simplify right side
    53,730.82x = 1,648,270,463.81
  5. Step 5: Solve for x
    x = 1,648,270,463.81/53,730.82
  6. Step 6: Final answer
    x = 30,676.44

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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.