Home / 43,784.12-65,646.16-15,703.58

Finding the Fourth Proportional to 43,784.12, 65,646.16 and 15,703.58

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Solution

The fourth proportional to 43,784.12, 65,646.16 and 15,703.58 is: 23,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.12 : 65,646.16 = 15,703.58 : x
  2. Step 2: Convert to fraction form
    43,784.12/65,646.16 = 15,703.58/x
  3. Step 3: Cross multiply
    43,784.12x = 65,646.16 × 15,703.58
  4. Step 4: Simplify right side
    43,784.12x = 1,030,879,725.25
  5. Step 5: Solve for x
    x = 1,030,879,725.25/43,784.12
  6. Step 6: Final answer
    x = 23,544.60

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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.