Home / 51,071.78-76,609.73-17,795.21

Finding the Fourth Proportional to 51,071.78, 76,609.73 and 17,795.21

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Solution

The fourth proportional to 51,071.78, 76,609.73 and 17,795.21 is: 26,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.78 : 76,609.73 = 17,795.21 : x
  2. Step 2: Convert to fraction form
    51,071.78/76,609.73 = 17,795.21/x
  3. Step 3: Cross multiply
    51,071.78x = 76,609.73 × 17,795.21
  4. Step 4: Simplify right side
    51,071.78x = 1,363,286,233.39
  5. Step 5: Solve for x
    x = 1,363,286,233.39/51,071.78
  6. Step 6: Final answer
    x = 26,693.53

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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.