Home / 39,129.88-58,659.74-14,164.08

Finding the Fourth Proportional to 39,129.88, 58,659.74 and 14,164.08

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Solution

The fourth proportional to 39,129.88, 58,659.74 and 14,164.08 is: 21,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.88 : 58,659.74 = 14,164.08 : x
  2. Step 2: Convert to fraction form
    39,129.88/58,659.74 = 14,164.08/x
  3. Step 3: Cross multiply
    39,129.88x = 58,659.74 × 14,164.08
  4. Step 4: Simplify right side
    39,129.88x = 830,861,250.14
  5. Step 5: Solve for x
    x = 830,861,250.14/39,129.88
  6. Step 6: Final answer
    x = 21,233.42

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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.