Home / 30,347.72-41,900.73-19,021.76

Finding the Fourth Proportional to 30,347.72, 41,900.73 and 19,021.76

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Solution

The fourth proportional to 30,347.72, 41,900.73 and 19,021.76 is: 26,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.72 : 41,900.73 = 19,021.76 : x
  2. Step 2: Convert to fraction form
    30,347.72/41,900.73 = 19,021.76/x
  3. Step 3: Cross multiply
    30,347.72x = 41,900.73 × 19,021.76
  4. Step 4: Simplify right side
    30,347.72x = 797,025,629.88
  5. Step 5: Solve for x
    x = 797,025,629.88/30,347.72
  6. Step 6: Final answer
    x = 26,263.11

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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.