Home / 39,603.01-59,367.31-13,289.30

Finding the Fourth Proportional to 39,603.01, 59,367.31 and 13,289.30

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Solution

The fourth proportional to 39,603.01, 59,367.31 and 13,289.30 is: 19,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.01 : 59,367.31 = 13,289.30 : x
  2. Step 2: Convert to fraction form
    39,603.01/59,367.31 = 13,289.30/x
  3. Step 3: Cross multiply
    39,603.01x = 59,367.31 × 13,289.30
  4. Step 4: Simplify right side
    39,603.01x = 788,949,992.78
  5. Step 5: Solve for x
    x = 788,949,992.78/39,603.01
  6. Step 6: Final answer
    x = 19,921.47

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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.