Home / 51,840.46-77,906.94-30,784.15

Finding the Fourth Proportional to 51,840.46, 77,906.94 and 30,784.15

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Solution

The fourth proportional to 51,840.46, 77,906.94 and 30,784.15 is: 46,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.46 : 77,906.94 = 30,784.15 : x
  2. Step 2: Convert to fraction form
    51,840.46/77,906.94 = 30,784.15/x
  3. Step 3: Cross multiply
    51,840.46x = 77,906.94 × 30,784.15
  4. Step 4: Simplify right side
    51,840.46x = 2,398,298,927.00
  5. Step 5: Solve for x
    x = 2,398,298,927.00/51,840.46
  6. Step 6: Final answer
    x = 46,263.07

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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.