Home / 45,783.43-68,619.69-19,432.84

Finding the Fourth Proportional to 45,783.43, 68,619.69 and 19,432.84

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Solution

The fourth proportional to 45,783.43, 68,619.69 and 19,432.84 is: 29,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.43 : 68,619.69 = 19,432.84 : x
  2. Step 2: Convert to fraction form
    45,783.43/68,619.69 = 19,432.84/x
  3. Step 3: Cross multiply
    45,783.43x = 68,619.69 × 19,432.84
  4. Step 4: Simplify right side
    45,783.43x = 1,333,475,456.62
  5. Step 5: Solve for x
    x = 1,333,475,456.62/45,783.43
  6. Step 6: Final answer
    x = 29,125.72

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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.