Home / 42,147.03-63,251.64-19,960.37

Finding the Fourth Proportional to 42,147.03, 63,251.64 and 19,960.37

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Solution

The fourth proportional to 42,147.03, 63,251.64 and 19,960.37 is: 29,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.03 : 63,251.64 = 19,960.37 : x
  2. Step 2: Convert to fraction form
    42,147.03/63,251.64 = 19,960.37/x
  3. Step 3: Cross multiply
    42,147.03x = 63,251.64 × 19,960.37
  4. Step 4: Simplify right side
    42,147.03x = 1,262,525,821.25
  5. Step 5: Solve for x
    x = 1,262,525,821.25/42,147.03
  6. Step 6: Final answer
    x = 29,955.27

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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.