Home / 20,075.58-30,116.34-18,845.46

Finding the Fourth Proportional to 20,075.58, 30,116.34 and 18,845.46

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Solution

The fourth proportional to 20,075.58, 30,116.34 and 18,845.46 is: 28,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.58 : 30,116.34 = 18,845.46 : x
  2. Step 2: Convert to fraction form
    20,075.58/30,116.34 = 18,845.46/x
  3. Step 3: Cross multiply
    20,075.58x = 30,116.34 × 18,845.46
  4. Step 4: Simplify right side
    20,075.58x = 567,556,280.82
  5. Step 5: Solve for x
    x = 567,556,280.82/20,075.58
  6. Step 6: Final answer
    x = 28,270.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.