Home / 43,019.35-64,519.35-18,087.55

Finding the Fourth Proportional to 43,019.35, 64,519.35 and 18,087.55

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Solution

The fourth proportional to 43,019.35, 64,519.35 and 18,087.55 is: 27,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019.35 : 64,519.35 = 18,087.55 : x
  2. Step 2: Convert to fraction form
    43,019.35/64,519.35 = 18,087.55/x
  3. Step 3: Cross multiply
    43,019.35x = 64,519.35 × 18,087.55
  4. Step 4: Simplify right side
    43,019.35x = 1,166,996,969.09
  5. Step 5: Solve for x
    x = 1,166,996,969.09/43,019.35
  6. Step 6: Final answer
    x = 27,127.26

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1.5x scale

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.