Home / 58,628.39-87,934.08-19,187.06

Finding the Fourth Proportional to 58,628.39, 87,934.08 and 19,187.06

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Solution

The fourth proportional to 58,628.39, 87,934.08 and 19,187.06 is: 28,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,628.39 : 87,934.08 = 19,187.06 : x
  2. Step 2: Convert to fraction form
    58,628.39/87,934.08 = 19,187.06/x
  3. Step 3: Cross multiply
    58,628.39x = 87,934.08 × 19,187.06
  4. Step 4: Simplify right side
    58,628.39x = 1,687,196,469.00
  5. Step 5: Solve for x
    x = 1,687,196,469.00/58,628.39
  6. Step 6: Final answer
    x = 28,777.81

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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.