Home / 55,315.83-82,973.76-13,762.83

Finding the Fourth Proportional to 55,315.83, 82,973.76 and 13,762.83

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Solution

The fourth proportional to 55,315.83, 82,973.76 and 13,762.83 is: 20,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.83 : 82,973.76 = 13,762.83 : x
  2. Step 2: Convert to fraction form
    55,315.83/82,973.76 = 13,762.83/x
  3. Step 3: Cross multiply
    55,315.83x = 82,973.76 × 13,762.83
  4. Step 4: Simplify right side
    55,315.83x = 1,141,953,390.58
  5. Step 5: Solve for x
    x = 1,141,953,390.58/55,315.83
  6. Step 6: Final answer
    x = 20,644.24

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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.