Home / 45,450.36-68,032.92-28,752.48

Finding the Fourth Proportional to 45,450.36, 68,032.92 and 28,752.48

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Solution

The fourth proportional to 45,450.36, 68,032.92 and 28,752.48 is: 43,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,450.36 : 68,032.92 = 28,752.48 : x
  2. Step 2: Convert to fraction form
    45,450.36/68,032.92 = 28,752.48/x
  3. Step 3: Cross multiply
    45,450.36x = 68,032.92 × 28,752.48
  4. Step 4: Simplify right side
    45,450.36x = 1,956,115,171.64
  5. Step 5: Solve for x
    x = 1,956,115,171.64/45,450.36
  6. Step 6: Final answer
    x = 43,038.50

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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.