Home / 58,013.98-86,996.36-20,583.47

Finding the Fourth Proportional to 58,013.98, 86,996.36 and 20,583.47

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Solution

The fourth proportional to 58,013.98, 86,996.36 and 20,583.47 is: 30,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,013.98 : 86,996.36 = 20,583.47 : x
  2. Step 2: Convert to fraction form
    58,013.98/86,996.36 = 20,583.47/x
  3. Step 3: Cross multiply
    58,013.98x = 86,996.36 × 20,583.47
  4. Step 4: Simplify right side
    58,013.98x = 1,790,687,235.12
  5. Step 5: Solve for x
    x = 1,790,687,235.12/58,013.98
  6. Step 6: Final answer
    x = 30,866.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.