Home / 38,417.82-57,603.87-18,676.50

Finding the Fourth Proportional to 38,417.82, 57,603.87 and 18,676.50

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Solution

The fourth proportional to 38,417.82, 57,603.87 and 18,676.50 is: 28,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.82 : 57,603.87 = 18,676.50 : x
  2. Step 2: Convert to fraction form
    38,417.82/57,603.87 = 18,676.50/x
  3. Step 3: Cross multiply
    38,417.82x = 57,603.87 × 18,676.50
  4. Step 4: Simplify right side
    38,417.82x = 1,075,838,678.06
  5. Step 5: Solve for x
    x = 1,075,838,678.06/38,417.82
  6. Step 6: Final answer
    x = 28,003.64

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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.