Home / 39,669.08-59,474.46-18,907.16

Finding the Fourth Proportional to 39,669.08, 59,474.46 and 18,907.16

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Solution

The fourth proportional to 39,669.08, 59,474.46 and 18,907.16 is: 28,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.08 : 59,474.46 = 18,907.16 : x
  2. Step 2: Convert to fraction form
    39,669.08/59,474.46 = 18,907.16/x
  3. Step 3: Cross multiply
    39,669.08x = 59,474.46 × 18,907.16
  4. Step 4: Simplify right side
    39,669.08x = 1,124,493,131.13
  5. Step 5: Solve for x
    x = 1,124,493,131.13/39,669.08
  6. Step 6: Final answer
    x = 28,346.84

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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.