Home / 39,893.16-55,052.10-23,127.72

Finding the Fourth Proportional to 39,893.16, 55,052.10 and 23,127.72

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Solution

The fourth proportional to 39,893.16, 55,052.10 and 23,127.72 is: 31,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.16 : 55,052.10 = 23,127.72 : x
  2. Step 2: Convert to fraction form
    39,893.16/55,052.10 = 23,127.72/x
  3. Step 3: Cross multiply
    39,893.16x = 55,052.10 × 23,127.72
  4. Step 4: Simplify right side
    39,893.16x = 1,273,229,554.21
  5. Step 5: Solve for x
    x = 1,273,229,554.21/39,893.16
  6. Step 6: Final answer
    x = 31,915.99

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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.