Home / 39,110.46-58,659.75-12,814.62

Finding the Fourth Proportional to 39,110.46, 58,659.75 and 12,814.62

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Solution

The fourth proportional to 39,110.46, 58,659.75 and 12,814.62 is: 19,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.46 : 58,659.75 = 12,814.62 : x
  2. Step 2: Convert to fraction form
    39,110.46/58,659.75 = 12,814.62/x
  3. Step 3: Cross multiply
    39,110.46x = 58,659.75 × 12,814.62
  4. Step 4: Simplify right side
    39,110.46x = 751,702,405.55
  5. Step 5: Solve for x
    x = 751,702,405.55/39,110.46
  6. Step 6: Final answer
    x = 19,219.98

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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.