Home / 58,645.90-87,916.56-21,197.62

Finding the Fourth Proportional to 58,645.90, 87,916.56 and 21,197.62

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Solution

The fourth proportional to 58,645.90, 87,916.56 and 21,197.62 is: 31,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.90 : 87,916.56 = 21,197.62 : x
  2. Step 2: Convert to fraction form
    58,645.90/87,916.56 = 21,197.62/x
  3. Step 3: Cross multiply
    58,645.90x = 87,916.56 × 21,197.62
  4. Step 4: Simplify right side
    58,645.90x = 1,863,621,830.59
  5. Step 5: Solve for x
    x = 1,863,621,830.59/58,645.90
  6. Step 6: Final answer
    x = 31,777.53

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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.