Home / 39,162.08-58,749.24-12,860.84

Finding the Fourth Proportional to 39,162.08, 58,749.24 and 12,860.84

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Solution

The fourth proportional to 39,162.08, 58,749.24 and 12,860.84 is: 19,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.08 : 58,749.24 = 12,860.84 : x
  2. Step 2: Convert to fraction form
    39,162.08/58,749.24 = 12,860.84/x
  3. Step 3: Cross multiply
    39,162.08x = 58,749.24 × 12,860.84
  4. Step 4: Simplify right side
    39,162.08x = 755,564,575.76
  5. Step 5: Solve for x
    x = 755,564,575.76/39,162.08
  6. Step 6: Final answer
    x = 19,293.27

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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.