Home / 30,524.85-42,052.37-28,687.77

Finding the Fourth Proportional to 30,524.85, 42,052.37 and 28,687.77

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Solution

The fourth proportional to 30,524.85, 42,052.37 and 28,687.77 is: 39,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.85 : 42,052.37 = 28,687.77 : x
  2. Step 2: Convert to fraction form
    30,524.85/42,052.37 = 28,687.77/x
  3. Step 3: Cross multiply
    30,524.85x = 42,052.37 × 28,687.77
  4. Step 4: Simplify right side
    30,524.85x = 1,206,388,575.08
  5. Step 5: Solve for x
    x = 1,206,388,575.08/30,524.85
  6. Step 6: Final answer
    x = 39,521.52

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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.