Home / 45,272.23-67,920.42-15,690.04

Finding the Fourth Proportional to 45,272.23, 67,920.42 and 15,690.04

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Solution

The fourth proportional to 45,272.23, 67,920.42 and 15,690.04 is: 23,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,272.23 : 67,920.42 = 15,690.04 : x
  2. Step 2: Convert to fraction form
    45,272.23/67,920.42 = 15,690.04/x
  3. Step 3: Cross multiply
    45,272.23x = 67,920.42 × 15,690.04
  4. Step 4: Simplify right side
    45,272.23x = 1,065,674,106.62
  5. Step 5: Solve for x
    x = 1,065,674,106.62/45,272.23
  6. Step 6: Final answer
    x = 23,539.24

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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.