Home / 43,214.78-64,822.17-13,635.59

Finding the Fourth Proportional to 43,214.78, 64,822.17 and 13,635.59

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Solution

The fourth proportional to 43,214.78, 64,822.17 and 13,635.59 is: 20,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.78 : 64,822.17 = 13,635.59 : x
  2. Step 2: Convert to fraction form
    43,214.78/64,822.17 = 13,635.59/x
  3. Step 3: Cross multiply
    43,214.78x = 64,822.17 × 13,635.59
  4. Step 4: Simplify right side
    43,214.78x = 883,888,533.03
  5. Step 5: Solve for x
    x = 883,888,533.03/43,214.78
  6. Step 6: Final answer
    x = 20,453.39

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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.