Home / 74,533.89-111,786.55-28,941.58

Finding the Fourth Proportional to 74,533.89, 111,786.55 and 28,941.58

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Solution

The fourth proportional to 74,533.89, 111,786.55 and 28,941.58 is: 43,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533.89 : 111,786.55 = 28,941.58 : x
  2. Step 2: Convert to fraction form
    74,533.89/111,786.55 = 28,941.58/x
  3. Step 3: Cross multiply
    74,533.89x = 111,786.55 × 28,941.58
  4. Step 4: Simplify right side
    74,533.89x = 3,235,279,379.75
  5. Step 5: Solve for x
    x = 3,235,279,379.75/74,533.89
  6. Step 6: Final answer
    x = 43,406.82

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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.