Home / 51,651.30-71,272.92-28,987.23

Finding the Fourth Proportional to 51,651.30, 71,272.92 and 28,987.23

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Solution

The fourth proportional to 51,651.30, 71,272.92 and 28,987.23 is: 39,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.30 : 71,272.92 = 28,987.23 : x
  2. Step 2: Convert to fraction form
    51,651.30/71,272.92 = 28,987.23/x
  3. Step 3: Cross multiply
    51,651.30x = 71,272.92 × 28,987.23
  4. Step 4: Simplify right side
    51,651.30x = 2,066,004,524.81
  5. Step 5: Solve for x
    x = 2,066,004,524.81/51,651.30
  6. Step 6: Final answer
    x = 39,999.08

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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.