Home / 55,184.37-82,779.29-15,747.30

Finding the Fourth Proportional to 55,184.37, 82,779.29 and 15,747.30

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Solution

The fourth proportional to 55,184.37, 82,779.29 and 15,747.30 is: 23,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184.37 : 82,779.29 = 15,747.30 : x
  2. Step 2: Convert to fraction form
    55,184.37/82,779.29 = 15,747.30/x
  3. Step 3: Cross multiply
    55,184.37x = 82,779.29 × 15,747.30
  4. Step 4: Simplify right side
    55,184.37x = 1,303,549,899.52
  5. Step 5: Solve for x
    x = 1,303,549,899.52/55,184.37
  6. Step 6: Final answer
    x = 23,621.72

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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.