Home / 39,128.88-58,658.24-14,163.08

Finding the Fourth Proportional to 39,128.88, 58,658.24 and 14,163.08

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Solution

The fourth proportional to 39,128.88, 58,658.24 and 14,163.08 is: 21,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.88 : 58,658.24 = 14,163.08 : x
  2. Step 2: Convert to fraction form
    39,128.88/58,658.24 = 14,163.08/x
  3. Step 3: Cross multiply
    39,128.88x = 58,658.24 × 14,163.08
  4. Step 4: Simplify right side
    39,128.88x = 830,781,345.78
  5. Step 5: Solve for x
    x = 830,781,345.78/39,128.88
  6. Step 6: Final answer
    x = 21,231.92

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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.