Home / 74,027.20-111,040.80-36,605.20

Finding the Fourth Proportional to 74,027.20, 111,040.80 and 36,605.20

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Solution

The fourth proportional to 74,027.20, 111,040.80 and 36,605.20 is: 54,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027.20 : 111,040.80 = 36,605.20 : x
  2. Step 2: Convert to fraction form
    74,027.20/111,040.80 = 36,605.20/x
  3. Step 3: Cross multiply
    74,027.20x = 111,040.80 × 36,605.20
  4. Step 4: Simplify right side
    74,027.20x = 4,064,670,692.16
  5. Step 5: Solve for x
    x = 4,064,670,692.16/74,027.20
  6. Step 6: Final answer
    x = 54,907.80

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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.