Home / 51,364.59-76,940.74-30,239.55

Finding the Fourth Proportional to 51,364.59, 76,940.74 and 30,239.55

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Solution

The fourth proportional to 51,364.59, 76,940.74 and 30,239.55 is: 45,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.59 : 76,940.74 = 30,239.55 : x
  2. Step 2: Convert to fraction form
    51,364.59/76,940.74 = 30,239.55/x
  3. Step 3: Cross multiply
    51,364.59x = 76,940.74 × 30,239.55
  4. Step 4: Simplify right side
    51,364.59x = 2,326,653,354.27
  5. Step 5: Solve for x
    x = 2,326,653,354.27/51,364.59
  6. Step 6: Final answer
    x = 45,296.83

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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.