Home / 19,871.58-29,807.37-5,080.53

Finding the Fourth Proportional to 19,871.58, 29,807.37 and 5,080.53

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Solution

The fourth proportional to 19,871.58, 29,807.37 and 5,080.53 is: 7,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.58 : 29,807.37 = 5,080.53 : x
  2. Step 2: Convert to fraction form
    19,871.58/29,807.37 = 5,080.53/x
  3. Step 3: Cross multiply
    19,871.58x = 29,807.37 × 5,080.53
  4. Step 4: Simplify right side
    19,871.58x = 151,437,237.51
  5. Step 5: Solve for x
    x = 151,437,237.51/19,871.58
  6. Step 6: Final answer
    x = 7,620.80

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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.