Home / 45,780.93-68,615.94-19,430.34

Finding the Fourth Proportional to 45,780.93, 68,615.94 and 19,430.34

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Solution

The fourth proportional to 45,780.93, 68,615.94 and 19,430.34 is: 29,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,780.93 : 68,615.94 = 19,430.34 : x
  2. Step 2: Convert to fraction form
    45,780.93/68,615.94 = 19,430.34/x
  3. Step 3: Cross multiply
    45,780.93x = 68,615.94 × 19,430.34
  4. Step 4: Simplify right side
    45,780.93x = 1,333,231,043.62
  5. Step 5: Solve for x
    x = 1,333,231,043.62/45,780.93
  6. Step 6: Final answer
    x = 29,121.97

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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.