Home / 53,267.03-79,879.81-19,968.95

Finding the Fourth Proportional to 53,267.03, 79,879.81 and 19,968.95

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Solution

The fourth proportional to 53,267.03, 79,879.81 and 19,968.95 is: 29,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.03 : 79,879.81 = 19,968.95 : x
  2. Step 2: Convert to fraction form
    53,267.03/79,879.81 = 19,968.95/x
  3. Step 3: Cross multiply
    53,267.03x = 79,879.81 × 19,968.95
  4. Step 4: Simplify right side
    53,267.03x = 1,595,115,482.58
  5. Step 5: Solve for x
    x = 1,595,115,482.58/53,267.03
  6. Step 6: Final answer
    x = 29,945.64

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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.