Home / 20,368.63-30,552.91-5,578.70

Finding the Fourth Proportional to 20,368.63, 30,552.91 and 5,578.70

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Solution

The fourth proportional to 20,368.63, 30,552.91 and 5,578.70 is: 8,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.63 : 30,552.91 = 5,578.70 : x
  2. Step 2: Convert to fraction form
    20,368.63/30,552.91 = 5,578.70/x
  3. Step 3: Cross multiply
    20,368.63x = 30,552.91 × 5,578.70
  4. Step 4: Simplify right side
    20,368.63x = 170,445,519.02
  5. Step 5: Solve for x
    x = 170,445,519.02/20,368.63
  6. Step 6: Final answer
    x = 8,368.04

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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.