Home / 58,559.55-87,829.37-21,112.17

Finding the Fourth Proportional to 58,559.55, 87,829.37 and 21,112.17

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Solution

The fourth proportional to 58,559.55, 87,829.37 and 21,112.17 is: 31,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.55 : 87,829.37 = 21,112.17 : x
  2. Step 2: Convert to fraction form
    58,559.55/87,829.37 = 21,112.17/x
  3. Step 3: Cross multiply
    58,559.55x = 87,829.37 × 21,112.17
  4. Step 4: Simplify right side
    58,559.55x = 1,854,268,484.87
  5. Step 5: Solve for x
    x = 1,854,268,484.87/58,559.55
  6. Step 6: Final answer
    x = 31,664.66

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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.