Home / 53,268.22-79,881.56-19,970.11

Finding the Fourth Proportional to 53,268.22, 79,881.56 and 19,970.11

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Solution

The fourth proportional to 53,268.22, 79,881.56 and 19,970.11 is: 29,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.22 : 79,881.56 = 19,970.11 : x
  2. Step 2: Convert to fraction form
    53,268.22/79,881.56 = 19,970.11/x
  3. Step 3: Cross multiply
    53,268.22x = 79,881.56 × 19,970.11
  4. Step 4: Simplify right side
    53,268.22x = 1,595,243,240.62
  5. Step 5: Solve for x
    x = 1,595,243,240.62/53,268.22
  6. Step 6: Final answer
    x = 29,947.37

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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.