Home / 30,772.85-42,466.55-16,625.70

Finding the Fourth Proportional to 30,772.85, 42,466.55 and 16,625.70

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Solution

The fourth proportional to 30,772.85, 42,466.55 and 16,625.70 is: 22,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.85 : 42,466.55 = 16,625.70 : x
  2. Step 2: Convert to fraction form
    30,772.85/42,466.55 = 16,625.70/x
  3. Step 3: Cross multiply
    30,772.85x = 42,466.55 × 16,625.70
  4. Step 4: Simplify right side
    30,772.85x = 706,036,037.21
  5. Step 5: Solve for x
    x = 706,036,037.21/30,772.85
  6. Step 6: Final answer
    x = 22,943.48

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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.