Home / 56,554.19-84,830.40-13,860.03

Finding the Fourth Proportional to 56,554.19, 84,830.40 and 13,860.03

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Solution

The fourth proportional to 56,554.19, 84,830.40 and 13,860.03 is: 20,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,554.19 : 84,830.40 = 13,860.03 : x
  2. Step 2: Convert to fraction form
    56,554.19/84,830.40 = 13,860.03/x
  3. Step 3: Cross multiply
    56,554.19x = 84,830.40 × 13,860.03
  4. Step 4: Simplify right side
    56,554.19x = 1,175,751,888.91
  5. Step 5: Solve for x
    x = 1,175,751,888.91/56,554.19
  6. Step 6: Final answer
    x = 20,789.83

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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.