Home / 43,975.08-65,961.54-12,810.60

Finding the Fourth Proportional to 43,975.08, 65,961.54 and 12,810.60

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Solution

The fourth proportional to 43,975.08, 65,961.54 and 12,810.60 is: 19,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,975.08 : 65,961.54 = 12,810.60 : x
  2. Step 2: Convert to fraction form
    43,975.08/65,961.54 = 12,810.60/x
  3. Step 3: Cross multiply
    43,975.08x = 65,961.54 × 12,810.60
  4. Step 4: Simplify right side
    43,975.08x = 845,006,904.32
  5. Step 5: Solve for x
    x = 845,006,904.32/43,975.08
  6. Step 6: Final answer
    x = 19,215.59

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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.