Home / 30,883.35-42,621.18-17,455.83

Finding the Fourth Proportional to 30,883.35, 42,621.18 and 17,455.83

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Solution

The fourth proportional to 30,883.35, 42,621.18 and 17,455.83 is: 24,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883.35 : 42,621.18 = 17,455.83 : x
  2. Step 2: Convert to fraction form
    30,883.35/42,621.18 = 17,455.83/x
  3. Step 3: Cross multiply
    30,883.35x = 42,621.18 × 17,455.83
  4. Step 4: Simplify right side
    30,883.35x = 743,988,072.48
  5. Step 5: Solve for x
    x = 743,988,072.48/30,883.35
  6. Step 6: Final answer
    x = 24,090.26

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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.