Home / 51,055.80-70,456.44-28,394.64

Finding the Fourth Proportional to 51,055.80, 70,456.44 and 28,394.64

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Solution

The fourth proportional to 51,055.80, 70,456.44 and 28,394.64 is: 39,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,055.80 : 70,456.44 = 28,394.64 : x
  2. Step 2: Convert to fraction form
    51,055.80/70,456.44 = 28,394.64/x
  3. Step 3: Cross multiply
    51,055.80x = 70,456.44 × 28,394.64
  4. Step 4: Simplify right side
    51,055.80x = 2,000,585,249.48
  5. Step 5: Solve for x
    x = 2,000,585,249.48/51,055.80
  6. Step 6: Final answer
    x = 39,184.29

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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.