Home / 51,237.45-76,829.58-19,638.18

Finding the Fourth Proportional to 51,237.45, 76,829.58 and 19,638.18

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Solution

The fourth proportional to 51,237.45, 76,829.58 and 19,638.18 is: 29,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.45 : 76,829.58 = 19,638.18 : x
  2. Step 2: Convert to fraction form
    51,237.45/76,829.58 = 19,638.18/x
  3. Step 3: Cross multiply
    51,237.45x = 76,829.58 × 19,638.18
  4. Step 4: Simplify right side
    51,237.45x = 1,508,793,121.36
  5. Step 5: Solve for x
    x = 1,508,793,121.36/51,237.45
  6. Step 6: Final answer
    x = 29,447.08

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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.