Home / 51,840.19-77,768.52-18,551.08

Finding the Fourth Proportional to 51,840.19, 77,768.52 and 18,551.08

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Solution

The fourth proportional to 51,840.19, 77,768.52 and 18,551.08 is: 27,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.19 : 77,768.52 = 18,551.08 : x
  2. Step 2: Convert to fraction form
    51,840.19/77,768.52 = 18,551.08/x
  3. Step 3: Cross multiply
    51,840.19x = 77,768.52 × 18,551.08
  4. Step 4: Simplify right side
    51,840.19x = 1,442,690,036.00
  5. Step 5: Solve for x
    x = 1,442,690,036.00/51,840.19
  6. Step 6: Final answer
    x = 27,829.57

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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.