Home / 51,360.66-77,054.43-21,779.70

Finding the Fourth Proportional to 51,360.66, 77,054.43 and 21,779.70

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Solution

The fourth proportional to 51,360.66, 77,054.43 and 21,779.70 is: 32,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,360.66 : 77,054.43 = 21,779.70 : x
  2. Step 2: Convert to fraction form
    51,360.66/77,054.43 = 21,779.70/x
  3. Step 3: Cross multiply
    51,360.66x = 77,054.43 × 21,779.70
  4. Step 4: Simplify right side
    51,360.66x = 1,678,222,369.07
  5. Step 5: Solve for x
    x = 1,678,222,369.07/51,360.66
  6. Step 6: Final answer
    x = 32,675.25

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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.