Home / 51,224.88-70,681.76-28,558.96

Finding the Fourth Proportional to 51,224.88, 70,681.76 and 28,558.96

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Solution

The fourth proportional to 51,224.88, 70,681.76 and 28,558.96 is: 39,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,224.88 : 70,681.76 = 28,558.96 : x
  2. Step 2: Convert to fraction form
    51,224.88/70,681.76 = 28,558.96/x
  3. Step 3: Cross multiply
    51,224.88x = 70,681.76 × 28,558.96
  4. Step 4: Simplify right side
    51,224.88x = 2,018,597,556.57
  5. Step 5: Solve for x
    x = 2,018,597,556.57/51,224.88
  6. Step 6: Final answer
    x = 39,406.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.