Home / 53,268.13-79,881.43-19,970.05

Finding the Fourth Proportional to 53,268.13, 79,881.43 and 19,970.05

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Solution

The fourth proportional to 53,268.13, 79,881.43 and 19,970.05 is: 29,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.13 : 79,881.43 = 19,970.05 : x
  2. Step 2: Convert to fraction form
    53,268.13/79,881.43 = 19,970.05/x
  3. Step 3: Cross multiply
    53,268.13x = 79,881.43 × 19,970.05
  4. Step 4: Simplify right side
    53,268.13x = 1,595,235,651.91
  5. Step 5: Solve for x
    x = 1,595,235,651.91/53,268.13
  6. Step 6: Final answer
    x = 29,947.28

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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.