Home / 39,112.07-58,667.90-12,816.63

Finding the Fourth Proportional to 39,112.07, 58,667.90 and 12,816.63

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Solution

The fourth proportional to 39,112.07, 58,667.90 and 12,816.63 is: 19,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.07 : 58,667.90 = 12,816.63 : x
  2. Step 2: Convert to fraction form
    39,112.07/58,667.90 = 12,816.63/x
  3. Step 3: Cross multiply
    39,112.07x = 58,667.90 × 12,816.63
  4. Step 4: Simplify right side
    39,112.07x = 751,924,703.09
  5. Step 5: Solve for x
    x = 751,924,703.09/39,112.07
  6. Step 6: Final answer
    x = 19,224.88

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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.