Home / 36,140.58-54,200.47-12,447.17

Finding the Fourth Proportional to 36,140.58, 54,200.47 and 12,447.17

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Solution

The fourth proportional to 36,140.58, 54,200.47 and 12,447.17 is: 18,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.58 : 54,200.47 = 12,447.17 : x
  2. Step 2: Convert to fraction form
    36,140.58/54,200.47 = 12,447.17/x
  3. Step 3: Cross multiply
    36,140.58x = 54,200.47 × 12,447.17
  4. Step 4: Simplify right side
    36,140.58x = 674,642,353.63
  5. Step 5: Solve for x
    x = 674,642,353.63/36,140.58
  6. Step 6: Final answer
    x = 18,667.17

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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.