Home / 51,578.88-71,184.76-28,923.98

Finding the Fourth Proportional to 51,578.88, 71,184.76 and 28,923.98

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Solution

The fourth proportional to 51,578.88, 71,184.76 and 28,923.98 is: 39,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,578.88 : 71,184.76 = 28,923.98 : x
  2. Step 2: Convert to fraction form
    51,578.88/71,184.76 = 28,923.98/x
  3. Step 3: Cross multiply
    51,578.88x = 71,184.76 × 28,923.98
  4. Step 4: Simplify right side
    51,578.88x = 2,058,946,574.54
  5. Step 5: Solve for x
    x = 2,058,946,574.54/51,578.88
  6. Step 6: Final answer
    x = 39,918.40

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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.