Home / 60,450.90-90,717.66-21,007.68

Finding the Fourth Proportional to 60,450.90, 90,717.66 and 21,007.68

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Solution

The fourth proportional to 60,450.90, 90,717.66 and 21,007.68 is: 31,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,450.90 : 90,717.66 = 21,007.68 : x
  2. Step 2: Convert to fraction form
    60,450.90/90,717.66 = 21,007.68/x
  3. Step 3: Cross multiply
    60,450.90x = 90,717.66 × 21,007.68
  4. Step 4: Simplify right side
    60,450.90x = 1,905,767,571.63
  5. Step 5: Solve for x
    x = 1,905,767,571.63/60,450.90
  6. Step 6: Final answer
    x = 31,525.88

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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.