Home / 56,440.50-77,900.04-33,784.56

Finding the Fourth Proportional to 56,440.50, 77,900.04 and 33,784.56

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Solution

The fourth proportional to 56,440.50, 77,900.04 and 33,784.56 is: 46,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.50 : 77,900.04 = 33,784.56 : x
  2. Step 2: Convert to fraction form
    56,440.50/77,900.04 = 33,784.56/x
  3. Step 3: Cross multiply
    56,440.50x = 77,900.04 × 33,784.56
  4. Step 4: Simplify right side
    56,440.50x = 2,631,818,575.38
  5. Step 5: Solve for x
    x = 2,631,818,575.38/56,440.50
  6. Step 6: Final answer
    x = 46,629.97

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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.