Home / 74,582.95-111,857.34-21,273.91

Finding the Fourth Proportional to 74,582.95, 111,857.34 and 21,273.91

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Solution

The fourth proportional to 74,582.95, 111,857.34 and 21,273.91 is: 31,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.95 : 111,857.34 = 21,273.91 : x
  2. Step 2: Convert to fraction form
    74,582.95/111,857.34 = 21,273.91/x
  3. Step 3: Cross multiply
    74,582.95x = 111,857.34 × 21,273.91
  4. Step 4: Simplify right side
    74,582.95x = 2,379,643,091.49
  5. Step 5: Solve for x
    x = 2,379,643,091.49/74,582.95
  6. Step 6: Final answer
    x = 31,905.99

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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.