Home / 53,390.62-73,676.73-30,730.34

Finding the Fourth Proportional to 53,390.62, 73,676.73 and 30,730.34

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Solution

The fourth proportional to 53,390.62, 73,676.73 and 30,730.34 is: 42,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.62 : 73,676.73 = 30,730.34 : x
  2. Step 2: Convert to fraction form
    53,390.62/73,676.73 = 30,730.34/x
  3. Step 3: Cross multiply
    53,390.62x = 73,676.73 × 30,730.34
  4. Step 4: Simplify right side
    53,390.62x = 2,264,111,262.42
  5. Step 5: Solve for x
    x = 2,264,111,262.42/53,390.62
  6. Step 6: Final answer
    x = 42,406.54

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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.