Home / 30,005.82-41,411.55-18,075.18

Finding the Fourth Proportional to 30,005.82, 41,411.55 and 18,075.18

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Solution

The fourth proportional to 30,005.82, 41,411.55 and 18,075.18 is: 24,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.82 : 41,411.55 = 18,075.18 : x
  2. Step 2: Convert to fraction form
    30,005.82/41,411.55 = 18,075.18/x
  3. Step 3: Cross multiply
    30,005.82x = 41,411.55 × 18,075.18
  4. Step 4: Simplify right side
    30,005.82x = 748,521,220.33
  5. Step 5: Solve for x
    x = 748,521,220.33/30,005.82
  6. Step 6: Final answer
    x = 24,945.87

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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.