Home / 30,759.37-42,447.92-16,612.21

Finding the Fourth Proportional to 30,759.37, 42,447.92 and 16,612.21

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Solution

The fourth proportional to 30,759.37, 42,447.92 and 16,612.21 is: 22,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.37 : 42,447.92 = 16,612.21 : x
  2. Step 2: Convert to fraction form
    30,759.37/42,447.92 = 16,612.21/x
  3. Step 3: Cross multiply
    30,759.37x = 42,447.92 × 16,612.21
  4. Step 4: Simplify right side
    30,759.37x = 705,153,761.10
  5. Step 5: Solve for x
    x = 705,153,761.10/30,759.37
  6. Step 6: Final answer
    x = 22,924.84

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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.