Home / 58,458.39-87,665.92-21,008.37

Finding the Fourth Proportional to 58,458.39, 87,665.92 and 21,008.37

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Solution

The fourth proportional to 58,458.39, 87,665.92 and 21,008.37 is: 31,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458.39 : 87,665.92 = 21,008.37 : x
  2. Step 2: Convert to fraction form
    58,458.39/87,665.92 = 21,008.37/x
  3. Step 3: Cross multiply
    58,458.39x = 87,665.92 × 21,008.37
  4. Step 4: Simplify right side
    58,458.39x = 1,841,718,083.75
  5. Step 5: Solve for x
    x = 1,841,718,083.75/58,458.39
  6. Step 6: Final answer
    x = 31,504.77

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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.