Home / 45,180.65-67,759.13-13,582.25

Finding the Fourth Proportional to 45,180.65, 67,759.13 and 13,582.25

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Solution

The fourth proportional to 45,180.65, 67,759.13 and 13,582.25 is: 20,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,180.65 : 67,759.13 = 13,582.25 : x
  2. Step 2: Convert to fraction form
    45,180.65/67,759.13 = 13,582.25/x
  3. Step 3: Cross multiply
    45,180.65x = 67,759.13 × 13,582.25
  4. Step 4: Simplify right side
    45,180.65x = 920,321,036.74
  5. Step 5: Solve for x
    x = 920,321,036.74/45,180.65
  6. Step 6: Final answer
    x = 20,369.81

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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.