Home / 42,453.12-63,662.40-16,164.48

Finding the Fourth Proportional to 42,453.12, 63,662.40 and 16,164.48

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Solution

The fourth proportional to 42,453.12, 63,662.40 and 16,164.48 is: 24,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,453.12 : 63,662.40 = 16,164.48 : x
  2. Step 2: Convert to fraction form
    42,453.12/63,662.40 = 16,164.48/x
  3. Step 3: Cross multiply
    42,453.12x = 63,662.40 × 16,164.48
  4. Step 4: Simplify right side
    42,453.12x = 1,029,069,591.55
  5. Step 5: Solve for x
    x = 1,029,069,591.55/42,453.12
  6. Step 6: Final answer
    x = 24,240.14

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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.