Home / 45,161.04-67,744.80-15,578.44

Finding the Fourth Proportional to 45,161.04, 67,744.80 and 15,578.44

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Solution

The fourth proportional to 45,161.04, 67,744.80 and 15,578.44 is: 23,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161.04 : 67,744.80 = 15,578.44 : x
  2. Step 2: Convert to fraction form
    45,161.04/67,744.80 = 15,578.44/x
  3. Step 3: Cross multiply
    45,161.04x = 67,744.80 × 15,578.44
  4. Step 4: Simplify right side
    45,161.04x = 1,055,358,302.11
  5. Step 5: Solve for x
    x = 1,055,358,302.11/45,161.04
  6. Step 6: Final answer
    x = 23,368.78

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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.