Home / 53,268.98-79,882.70-19,970.89

Finding the Fourth Proportional to 53,268.98, 79,882.70 and 19,970.89

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Solution

The fourth proportional to 53,268.98, 79,882.70 and 19,970.89 is: 29,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.98 : 79,882.70 = 19,970.89 : x
  2. Step 2: Convert to fraction form
    53,268.98/79,882.70 = 19,970.89/x
  3. Step 3: Cross multiply
    53,268.98x = 79,882.70 × 19,970.89
  4. Step 4: Simplify right side
    53,268.98x = 1,595,328,614.60
  5. Step 5: Solve for x
    x = 1,595,328,614.60/53,268.98
  6. Step 6: Final answer
    x = 29,948.55

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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.