Home / 51,287.12-76,938.41-18,001.34

Finding the Fourth Proportional to 51,287.12, 76,938.41 and 18,001.34

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Solution

The fourth proportional to 51,287.12, 76,938.41 and 18,001.34 is: 27,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.12 : 76,938.41 = 18,001.34 : x
  2. Step 2: Convert to fraction form
    51,287.12/76,938.41 = 18,001.34/x
  3. Step 3: Cross multiply
    51,287.12x = 76,938.41 × 18,001.34
  4. Step 4: Simplify right side
    51,287.12x = 1,384,994,325.04
  5. Step 5: Solve for x
    x = 1,384,994,325.04/51,287.12
  6. Step 6: Final answer
    x = 27,004.72

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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.