Home / 55,070.84-82,559.46-21,814.31

Finding the Fourth Proportional to 55,070.84, 82,559.46 and 21,814.31

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Solution

The fourth proportional to 55,070.84, 82,559.46 and 21,814.31 is: 32,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.84 : 82,559.46 = 21,814.31 : x
  2. Step 2: Convert to fraction form
    55,070.84/82,559.46 = 21,814.31/x
  3. Step 3: Cross multiply
    55,070.84x = 82,559.46 × 21,814.31
  4. Step 4: Simplify right side
    55,070.84x = 1,800,977,653.87
  5. Step 5: Solve for x
    x = 1,800,977,653.87/55,070.84
  6. Step 6: Final answer
    x = 32,702.93

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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.