Home / 55,281.89-82,922.91-15,829.78

Finding the Fourth Proportional to 55,281.89, 82,922.91 and 15,829.78

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Solution

The fourth proportional to 55,281.89, 82,922.91 and 15,829.78 is: 23,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.89 : 82,922.91 = 15,829.78 : x
  2. Step 2: Convert to fraction form
    55,281.89/82,922.91 = 15,829.78/x
  3. Step 3: Cross multiply
    55,281.89x = 82,922.91 × 15,829.78
  4. Step 4: Simplify right side
    55,281.89x = 1,312,651,444.64
  5. Step 5: Solve for x
    x = 1,312,651,444.64/55,281.89
  6. Step 6: Final answer
    x = 23,744.69

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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.