Home / 30,117.93-41,510.85-20,028.33

Finding the Fourth Proportional to 30,117.93, 41,510.85 and 20,028.33

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Solution

The fourth proportional to 30,117.93, 41,510.85 and 20,028.33 is: 27,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.93 : 41,510.85 = 20,028.33 : x
  2. Step 2: Convert to fraction form
    30,117.93/41,510.85 = 20,028.33/x
  3. Step 3: Cross multiply
    30,117.93x = 41,510.85 × 20,028.33
  4. Step 4: Simplify right side
    30,117.93x = 831,392,927.27
  5. Step 5: Solve for x
    x = 831,392,927.27/30,117.93
  6. Step 6: Final answer
    x = 27,604.59

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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.