Home / 30,160.80-41,621.95-16,732.05

Finding the Fourth Proportional to 30,160.80, 41,621.95 and 16,732.05

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Solution

The fourth proportional to 30,160.80, 41,621.95 and 16,732.05 is: 23,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.80 : 41,621.95 = 16,732.05 : x
  2. Step 2: Convert to fraction form
    30,160.80/41,621.95 = 16,732.05/x
  3. Step 3: Cross multiply
    30,160.80x = 41,621.95 × 16,732.05
  4. Step 4: Simplify right side
    30,160.80x = 696,420,612.16
  5. Step 5: Solve for x
    x = 696,420,612.16/30,160.80
  6. Step 6: Final answer
    x = 23,090.26

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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.