Home / 51,002.04-76,503.06-18,147

Finding the Fourth Proportional to 51,002.04, 76,503.06 and 18,147

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Solution

The fourth proportional to 51,002.04, 76,503.06 and 18,147 is: 27,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,002.04 : 76,503.06 = 18,147 : x
  2. Step 2: Convert to fraction form
    51,002.04/76,503.06 = 18,147/x
  3. Step 3: Cross multiply
    51,002.04x = 76,503.06 × 18,147
  4. Step 4: Simplify right side
    51,002.04x = 1,388,301,029.82
  5. Step 5: Solve for x
    x = 1,388,301,029.82/51,002.04
  6. Step 6: Final answer
    x = 27,220.50

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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.