Home / 53,149.08-73,334.96-40,398.86

Finding the Fourth Proportional to 53,149.08, 73,334.96 and 40,398.86

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Solution

The fourth proportional to 53,149.08, 73,334.96 and 40,398.86 is: 55,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.08 : 73,334.96 = 40,398.86 : x
  2. Step 2: Convert to fraction form
    53,149.08/73,334.96 = 40,398.86/x
  3. Step 3: Cross multiply
    53,149.08x = 73,334.96 × 40,398.86
  4. Step 4: Simplify right side
    53,149.08x = 2,962,648,782.15
  5. Step 5: Solve for x
    x = 2,962,648,782.15/53,149.08
  6. Step 6: Final answer
    x = 55,742.24

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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.