Home / 36,420.48-50,256.99-20,507.49

Finding the Fourth Proportional to 36,420.48, 50,256.99 and 20,507.49

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Solution

The fourth proportional to 36,420.48, 50,256.99 and 20,507.49 is: 28,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.48 : 50,256.99 = 20,507.49 : x
  2. Step 2: Convert to fraction form
    36,420.48/50,256.99 = 20,507.49/x
  3. Step 3: Cross multiply
    36,420.48x = 50,256.99 × 20,507.49
  4. Step 4: Simplify right side
    36,420.48x = 1,030,644,719.86
  5. Step 5: Solve for x
    x = 1,030,644,719.86/36,420.48
  6. Step 6: Final answer
    x = 28,298.49

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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.