Home / 55,038.22-82,557.33-19,977.82

Finding the Fourth Proportional to 55,038.22, 82,557.33 and 19,977.82

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Solution

The fourth proportional to 55,038.22, 82,557.33 and 19,977.82 is: 29,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,038.22 : 82,557.33 = 19,977.82 : x
  2. Step 2: Convert to fraction form
    55,038.22/82,557.33 = 19,977.82/x
  3. Step 3: Cross multiply
    55,038.22x = 82,557.33 × 19,977.82
  4. Step 4: Simplify right side
    55,038.22x = 1,649,315,478.42
  5. Step 5: Solve for x
    x = 1,649,315,478.42/55,038.22
  6. Step 6: Final answer
    x = 29,966.73

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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.