Home / 57,669.86-79,539.63-36,441.38

Finding the Fourth Proportional to 57,669.86, 79,539.63 and 36,441.38

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Solution

The fourth proportional to 57,669.86, 79,539.63 and 36,441.38 is: 50,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,669.86 : 79,539.63 = 36,441.38 : x
  2. Step 2: Convert to fraction form
    57,669.86/79,539.63 = 36,441.38/x
  3. Step 3: Cross multiply
    57,669.86x = 79,539.63 × 36,441.38
  4. Step 4: Simplify right side
    57,669.86x = 2,898,533,881.89
  5. Step 5: Solve for x
    x = 2,898,533,881.89/57,669.86
  6. Step 6: Final answer
    x = 50,260.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.