Home / 77,738.44-116,608.31-21,582.93

Finding the Fourth Proportional to 77,738.44, 116,608.31 and 21,582.93

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Solution

The fourth proportional to 77,738.44, 116,608.31 and 21,582.93 is: 32,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,738.44 : 116,608.31 = 21,582.93 : x
  2. Step 2: Convert to fraction form
    77,738.44/116,608.31 = 21,582.93/x
  3. Step 3: Cross multiply
    77,738.44x = 116,608.31 × 21,582.93
  4. Step 4: Simplify right side
    77,738.44x = 2,516,748,827.47
  5. Step 5: Solve for x
    x = 2,516,748,827.47/77,738.44
  6. Step 6: Final answer
    x = 32,374.57

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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.