Home / 30,015.72-45,035.69-13,364.37

Finding the Fourth Proportional to 30,015.72, 45,035.69 and 13,364.37

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Solution

The fourth proportional to 30,015.72, 45,035.69 and 13,364.37 is: 20,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.72 : 45,035.69 = 13,364.37 : x
  2. Step 2: Convert to fraction form
    30,015.72/45,035.69 = 13,364.37/x
  3. Step 3: Cross multiply
    30,015.72x = 45,035.69 × 13,364.37
  4. Step 4: Simplify right side
    30,015.72x = 601,873,557.54
  5. Step 5: Solve for x
    x = 601,873,557.54/30,015.72
  6. Step 6: Final answer
    x = 20,051.94

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1.5x scale

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.