Home / 51,137.36-70,569.38-28,476.64

Finding the Fourth Proportional to 51,137.36, 70,569.38 and 28,476.64

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Solution

The fourth proportional to 51,137.36, 70,569.38 and 28,476.64 is: 39,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,137.36 : 70,569.38 = 28,476.64 : x
  2. Step 2: Convert to fraction form
    51,137.36/70,569.38 = 28,476.64/x
  3. Step 3: Cross multiply
    51,137.36x = 70,569.38 × 28,476.64
  4. Step 4: Simplify right side
    51,137.36x = 2,009,578,829.28
  5. Step 5: Solve for x
    x = 2,009,578,829.28/51,137.36
  6. Step 6: Final answer
    x = 39,297.66

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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.