Home / 43,808.04-65,723.00-12,643.29

Finding the Fourth Proportional to 43,808.04, 65,723.00 and 12,643.29

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Solution

The fourth proportional to 43,808.04, 65,723.00 and 12,643.29 is: 18,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.04 : 65,723.00 = 12,643.29 : x
  2. Step 2: Convert to fraction form
    43,808.04/65,723.00 = 12,643.29/x
  3. Step 3: Cross multiply
    43,808.04x = 65,723.00 × 12,643.29
  4. Step 4: Simplify right side
    43,808.04x = 830,954,885.45
  5. Step 5: Solve for x
    x = 830,954,885.45/43,808.04
  6. Step 6: Final answer
    x = 18,968.09

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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.