Home / 65,550.96-98,326.53-28,086.75

Finding the Fourth Proportional to 65,550.96, 98,326.53 and 28,086.75

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Solution

The fourth proportional to 65,550.96, 98,326.53 and 28,086.75 is: 42,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,550.96 : 98,326.53 = 28,086.75 : x
  2. Step 2: Convert to fraction form
    65,550.96/98,326.53 = 28,086.75/x
  3. Step 3: Cross multiply
    65,550.96x = 98,326.53 × 28,086.75
  4. Step 4: Simplify right side
    65,550.96x = 2,761,672,666.48
  5. Step 5: Solve for x
    x = 2,761,672,666.48/65,550.96
  6. Step 6: Final answer
    x = 42,130.16

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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.