Home / 45,320.40-68,004.90-19,027.80

Finding the Fourth Proportional to 45,320.40, 68,004.90 and 19,027.80

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Solution

The fourth proportional to 45,320.40, 68,004.90 and 19,027.80 is: 28,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320.40 : 68,004.90 = 19,027.80 : x
  2. Step 2: Convert to fraction form
    45,320.40/68,004.90 = 19,027.80/x
  3. Step 3: Cross multiply
    45,320.40x = 68,004.90 × 19,027.80
  4. Step 4: Simplify right side
    45,320.40x = 1,293,983,636.22
  5. Step 5: Solve for x
    x = 1,293,983,636.22/45,320.40
  6. Step 6: Final answer
    x = 28,551.90

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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.