Home / 44,987.96-67,485.18-12,965.72

Finding the Fourth Proportional to 44,987.96, 67,485.18 and 12,965.72

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Solution

The fourth proportional to 44,987.96, 67,485.18 and 12,965.72 is: 19,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,987.96 : 67,485.18 = 12,965.72 : x
  2. Step 2: Convert to fraction form
    44,987.96/67,485.18 = 12,965.72/x
  3. Step 3: Cross multiply
    44,987.96x = 67,485.18 × 12,965.72
  4. Step 4: Simplify right side
    44,987.96x = 874,993,948.03
  5. Step 5: Solve for x
    x = 874,993,948.03/44,987.96
  6. Step 6: Final answer
    x = 19,449.51

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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.