Home / 49,330.60-74,075.10-45,692.20

Finding the Fourth Proportional to 49,330.60, 74,075.10 and 45,692.20

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Solution

The fourth proportional to 49,330.60, 74,075.10 and 45,692.20 is: 68,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,330.60 : 74,075.10 = 45,692.20 : x
  2. Step 2: Convert to fraction form
    49,330.60/74,075.10 = 45,692.20/x
  3. Step 3: Cross multiply
    49,330.60x = 74,075.10 × 45,692.20
  4. Step 4: Simplify right side
    49,330.60x = 3,384,654,284.22
  5. Step 5: Solve for x
    x = 3,384,654,284.22/49,330.60
  6. Step 6: Final answer
    x = 68,611.66

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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.