Home / 43,987.07-65,927.72-20,262

Finding the Fourth Proportional to 43,987.07, 65,927.72 and 20,262

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Solution

The fourth proportional to 43,987.07, 65,927.72 and 20,262 is: 30,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987.07 : 65,927.72 = 20,262 : x
  2. Step 2: Convert to fraction form
    43,987.07/65,927.72 = 20,262/x
  3. Step 3: Cross multiply
    43,987.07x = 65,927.72 × 20,262
  4. Step 4: Simplify right side
    43,987.07x = 1,335,827,361.33
  5. Step 5: Solve for x
    x = 1,335,827,361.33/43,987.07
  6. Step 6: Final answer
    x = 30,368.64

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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.