Home / 52,860.41-79,290.88-13,417.54

Finding the Fourth Proportional to 52,860.41, 79,290.88 and 13,417.54

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Solution

The fourth proportional to 52,860.41, 79,290.88 and 13,417.54 is: 20,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.41 : 79,290.88 = 13,417.54 : x
  2. Step 2: Convert to fraction form
    52,860.41/79,290.88 = 13,417.54/x
  3. Step 3: Cross multiply
    52,860.41x = 79,290.88 × 13,417.54
  4. Step 4: Simplify right side
    52,860.41x = 1,063,888,554.04
  5. Step 5: Solve for x
    x = 1,063,888,554.04/52,860.41
  6. Step 6: Final answer
    x = 20,126.38

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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.