Home / 53,576.82-73,936.29-30,916.77

Finding the Fourth Proportional to 53,576.82, 73,936.29 and 30,916.77

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Solution

The fourth proportional to 53,576.82, 73,936.29 and 30,916.77 is: 42,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,576.82 : 73,936.29 = 30,916.77 : x
  2. Step 2: Convert to fraction form
    53,576.82/73,936.29 = 30,916.77/x
  3. Step 3: Cross multiply
    53,576.82x = 73,936.29 × 30,916.77
  4. Step 4: Simplify right side
    53,576.82x = 2,285,871,272.58
  5. Step 5: Solve for x
    x = 2,285,871,272.58/53,576.82
  6. Step 6: Final answer
    x = 42,665.30

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1.5x scale

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.