Home / 20,423.19-30,636.51-5,632.11

Finding the Fourth Proportional to 20,423.19, 30,636.51 and 5,632.11

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Solution

The fourth proportional to 20,423.19, 30,636.51 and 5,632.11 is: 8,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.19 : 30,636.51 = 5,632.11 : x
  2. Step 2: Convert to fraction form
    20,423.19/30,636.51 = 5,632.11/x
  3. Step 3: Cross multiply
    20,423.19x = 30,636.51 × 5,632.11
  4. Step 4: Simplify right side
    20,423.19x = 172,548,194.34
  5. Step 5: Solve for x
    x = 172,548,194.34/20,423.19
  6. Step 6: Final answer
    x = 8,448.64

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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.