Home / 30,075.12-41,503.05-16,645.58

Finding the Fourth Proportional to 30,075.12, 41,503.05 and 16,645.58

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Solution

The fourth proportional to 30,075.12, 41,503.05 and 16,645.58 is: 22,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.12 : 41,503.05 = 16,645.58 : x
  2. Step 2: Convert to fraction form
    30,075.12/41,503.05 = 16,645.58/x
  3. Step 3: Cross multiply
    30,075.12x = 41,503.05 × 16,645.58
  4. Step 4: Simplify right side
    30,075.12x = 690,842,287.14
  5. Step 5: Solve for x
    x = 690,842,287.14/30,075.12
  6. Step 6: Final answer
    x = 22,970.56

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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.