Home / 42,019.07-63,048.27-20,960.73

Finding the Fourth Proportional to 42,019.07, 63,048.27 and 20,960.73

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Solution

The fourth proportional to 42,019.07, 63,048.27 and 20,960.73 is: 31,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,019.07 : 63,048.27 = 20,960.73 : x
  2. Step 2: Convert to fraction form
    42,019.07/63,048.27 = 20,960.73/x
  3. Step 3: Cross multiply
    42,019.07x = 63,048.27 × 20,960.73
  4. Step 4: Simplify right side
    42,019.07x = 1,321,537,659.63
  5. Step 5: Solve for x
    x = 1,321,537,659.63/42,019.07
  6. Step 6: Final answer
    x = 31,450.91

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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.