Home / 37,742.16-56,609.76-12,779.34

Finding the Fourth Proportional to 37,742.16, 56,609.76 and 12,779.34

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Solution

The fourth proportional to 37,742.16, 56,609.76 and 12,779.34 is: 19,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,742.16 : 56,609.76 = 12,779.34 : x
  2. Step 2: Convert to fraction form
    37,742.16/56,609.76 = 12,779.34/x
  3. Step 3: Cross multiply
    37,742.16x = 56,609.76 × 12,779.34
  4. Step 4: Simplify right side
    37,742.16x = 723,435,370.36
  5. Step 5: Solve for x
    x = 723,435,370.36/37,742.16
  6. Step 6: Final answer
    x = 19,167.83

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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.