Home / 74,185.88-111,279.02-21,596.63

Finding the Fourth Proportional to 74,185.88, 111,279.02 and 21,596.63

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Solution

The fourth proportional to 74,185.88, 111,279.02 and 21,596.63 is: 32,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,185.88 : 111,279.02 = 21,596.63 : x
  2. Step 2: Convert to fraction form
    74,185.88/111,279.02 = 21,596.63/x
  3. Step 3: Cross multiply
    74,185.88x = 111,279.02 × 21,596.63
  4. Step 4: Simplify right side
    74,185.88x = 2,403,251,157.32
  5. Step 5: Solve for x
    x = 2,403,251,157.32/74,185.88
  6. Step 6: Final answer
    x = 32,395.00

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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.