Home / 74,670.01-111,987.34-21,360.35

Finding the Fourth Proportional to 74,670.01, 111,987.34 and 21,360.35

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Solution

The fourth proportional to 74,670.01, 111,987.34 and 21,360.35 is: 32,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,670.01 : 111,987.34 = 21,360.35 : x
  2. Step 2: Convert to fraction form
    74,670.01/111,987.34 = 21,360.35/x
  3. Step 3: Cross multiply
    74,670.01x = 111,987.34 × 21,360.35
  4. Step 4: Simplify right side
    74,670.01x = 2,392,089,004.54
  5. Step 5: Solve for x
    x = 2,392,089,004.54/74,670.01
  6. Step 6: Final answer
    x = 32,035.47

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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.