Home / 30,281.08-41,770.62-18,178.34

Finding the Fourth Proportional to 30,281.08, 41,770.62 and 18,178.34

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Solution

The fourth proportional to 30,281.08, 41,770.62 and 18,178.34 is: 25,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.08 : 41,770.62 = 18,178.34 : x
  2. Step 2: Convert to fraction form
    30,281.08/41,770.62 = 18,178.34/x
  3. Step 3: Cross multiply
    30,281.08x = 41,770.62 × 18,178.34
  4. Step 4: Simplify right side
    30,281.08x = 759,320,532.37
  5. Step 5: Solve for x
    x = 759,320,532.37/30,281.08
  6. Step 6: Final answer
    x = 25,075.74

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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.