Home / 54,778.77-75,596.96-30,905.34

Finding the Fourth Proportional to 54,778.77, 75,596.96 and 30,905.34

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Solution

The fourth proportional to 54,778.77, 75,596.96 and 30,905.34 is: 42,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.77 : 75,596.96 = 30,905.34 : x
  2. Step 2: Convert to fraction form
    54,778.77/75,596.96 = 30,905.34/x
  3. Step 3: Cross multiply
    54,778.77x = 75,596.96 × 30,905.34
  4. Step 4: Simplify right side
    54,778.77x = 2,336,349,751.77
  5. Step 5: Solve for x
    x = 2,336,349,751.77/54,778.77
  6. Step 6: Final answer
    x = 42,650.64

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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.