Home / 51,633.35-71,249.65-28,969.28

Finding the Fourth Proportional to 51,633.35, 71,249.65 and 28,969.28

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Solution

The fourth proportional to 51,633.35, 71,249.65 and 28,969.28 is: 39,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,633.35 : 71,249.65 = 28,969.28 : x
  2. Step 2: Convert to fraction form
    51,633.35/71,249.65 = 28,969.28/x
  3. Step 3: Cross multiply
    51,633.35x = 71,249.65 × 28,969.28
  4. Step 4: Simplify right side
    51,633.35x = 2,064,051,060.75
  5. Step 5: Solve for x
    x = 2,064,051,060.75/51,633.35
  6. Step 6: Final answer
    x = 39,975.15

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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.