Home / 37,739.72-56,606.30-12,779.22

Finding the Fourth Proportional to 37,739.72, 56,606.30 and 12,779.22

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Solution

The fourth proportional to 37,739.72, 56,606.30 and 12,779.22 is: 19,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,739.72 : 56,606.30 = 12,779.22 : x
  2. Step 2: Convert to fraction form
    37,739.72/56,606.30 = 12,779.22/x
  3. Step 3: Cross multiply
    37,739.72x = 56,606.30 × 12,779.22
  4. Step 4: Simplify right side
    37,739.72x = 723,384,361.09
  5. Step 5: Solve for x
    x = 723,384,361.09/37,739.72
  6. Step 6: Final answer
    x = 19,167.72

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1.5x scale

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.