Home / 45,986.30-63,462.84-28,089.35

Finding the Fourth Proportional to 45,986.30, 63,462.84 and 28,089.35

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Solution

The fourth proportional to 45,986.30, 63,462.84 and 28,089.35 is: 38,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,986.30 : 63,462.84 = 28,089.35 : x
  2. Step 2: Convert to fraction form
    45,986.30/63,462.84 = 28,089.35/x
  3. Step 3: Cross multiply
    45,986.30x = 63,462.84 × 28,089.35
  4. Step 4: Simplify right side
    45,986.30x = 1,782,629,898.09
  5. Step 5: Solve for x
    x = 1,782,629,898.09/45,986.30
  6. Step 6: Final answer
    x = 38,764.37

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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.