Home / 39,951.15-59,907.61-18,873.60

Finding the Fourth Proportional to 39,951.15, 59,907.61 and 18,873.60

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Solution

The fourth proportional to 39,951.15, 59,907.61 and 18,873.60 is: 28,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.15 : 59,907.61 = 18,873.60 : x
  2. Step 2: Convert to fraction form
    39,951.15/59,907.61 = 18,873.60/x
  3. Step 3: Cross multiply
    39,951.15x = 59,907.61 × 18,873.60
  4. Step 4: Simplify right side
    39,951.15x = 1,130,672,268.10
  5. Step 5: Solve for x
    x = 1,130,672,268.10/39,951.15
  6. Step 6: Final answer
    x = 28,301.37

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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.