Home / 58,559.76-87,829.65-21,112.38

Finding the Fourth Proportional to 58,559.76, 87,829.65 and 21,112.38

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Solution

The fourth proportional to 58,559.76, 87,829.65 and 21,112.38 is: 31,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.76 : 87,829.65 = 21,112.38 : x
  2. Step 2: Convert to fraction form
    58,559.76/87,829.65 = 21,112.38/x
  3. Step 3: Cross multiply
    58,559.76x = 87,829.65 × 21,112.38
  4. Step 4: Simplify right side
    58,559.76x = 1,854,292,946.07
  5. Step 5: Solve for x
    x = 1,854,292,946.07/58,559.76
  6. Step 6: Final answer
    x = 31,664.97

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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.