Home / 30,075.44-41,503.49-16,645.89

Finding the Fourth Proportional to 30,075.44, 41,503.49 and 16,645.89

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Solution

The fourth proportional to 30,075.44, 41,503.49 and 16,645.89 is: 22,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.44 : 41,503.49 = 16,645.89 : x
  2. Step 2: Convert to fraction form
    30,075.44/41,503.49 = 16,645.89/x
  3. Step 3: Cross multiply
    30,075.44x = 41,503.49 × 16,645.89
  4. Step 4: Simplify right side
    30,075.44x = 690,862,663.99
  5. Step 5: Solve for x
    x = 690,862,663.99/30,075.44
  6. Step 6: Final answer
    x = 22,970.99

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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.