Home / 53,045.26-79,561.94-13,603.30

Finding the Fourth Proportional to 53,045.26, 79,561.94 and 13,603.30

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Solution

The fourth proportional to 53,045.26, 79,561.94 and 13,603.30 is: 20,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.26 : 79,561.94 = 13,603.30 : x
  2. Step 2: Convert to fraction form
    53,045.26/79,561.94 = 13,603.30/x
  3. Step 3: Cross multiply
    53,045.26x = 79,561.94 × 13,603.30
  4. Step 4: Simplify right side
    53,045.26x = 1,082,304,938.40
  5. Step 5: Solve for x
    x = 1,082,304,938.40/53,045.26
  6. Step 6: Final answer
    x = 20,403.42

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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.