Home / 20,281.69-30,422.84-5,492.10

Finding the Fourth Proportional to 20,281.69, 30,422.84 and 5,492.10

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Solution

The fourth proportional to 20,281.69, 30,422.84 and 5,492.10 is: 8,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.69 : 30,422.84 = 5,492.10 : x
  2. Step 2: Convert to fraction form
    20,281.69/30,422.84 = 5,492.10/x
  3. Step 3: Cross multiply
    20,281.69x = 30,422.84 × 5,492.10
  4. Step 4: Simplify right side
    20,281.69x = 167,085,397.08
  5. Step 5: Solve for x
    x = 167,085,397.08/20,281.69
  6. Step 6: Final answer
    x = 8,238.24

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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.