Home / 42,201.72-63,289.82-14,114.57

Finding the Fourth Proportional to 42,201.72, 63,289.82 and 14,114.57

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Solution

The fourth proportional to 42,201.72, 63,289.82 and 14,114.57 is: 21,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.72 : 63,289.82 = 14,114.57 : x
  2. Step 2: Convert to fraction form
    42,201.72/63,289.82 = 14,114.57/x
  3. Step 3: Cross multiply
    42,201.72x = 63,289.82 × 14,114.57
  4. Step 4: Simplify right side
    42,201.72x = 893,308,313.51
  5. Step 5: Solve for x
    x = 893,308,313.51/42,201.72
  6. Step 6: Final answer
    x = 21,167.58

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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.