Home / 53,322.78-73,576.98-30,657.36

Finding the Fourth Proportional to 53,322.78, 73,576.98 and 30,657.36

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Solution

The fourth proportional to 53,322.78, 73,576.98 and 30,657.36 is: 42,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.78 : 73,576.98 = 30,657.36 : x
  2. Step 2: Convert to fraction form
    53,322.78/73,576.98 = 30,657.36/x
  3. Step 3: Cross multiply
    53,322.78x = 73,576.98 × 30,657.36
  4. Step 4: Simplify right side
    53,322.78x = 2,255,675,963.57
  5. Step 5: Solve for x
    x = 2,255,675,963.57/53,322.78
  6. Step 6: Final answer
    x = 42,302.29

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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.