Home / 36,341.33-50,148.54-20,428.18

Finding the Fourth Proportional to 36,341.33, 50,148.54 and 20,428.18

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Solution

The fourth proportional to 36,341.33, 50,148.54 and 20,428.18 is: 28,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,341.33 : 50,148.54 = 20,428.18 : x
  2. Step 2: Convert to fraction form
    36,341.33/50,148.54 = 20,428.18/x
  3. Step 3: Cross multiply
    36,341.33x = 50,148.54 × 20,428.18
  4. Step 4: Simplify right side
    36,341.33x = 1,024,443,401.86
  5. Step 5: Solve for x
    x = 1,024,443,401.86/36,341.33
  6. Step 6: Final answer
    x = 28,189.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.