Home / 30,958.88-42,729.48-17,530.16

Finding the Fourth Proportional to 30,958.88, 42,729.48 and 17,530.16

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Solution

The fourth proportional to 30,958.88, 42,729.48 and 17,530.16 is: 24,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.88 : 42,729.48 = 17,530.16 : x
  2. Step 2: Convert to fraction form
    30,958.88/42,729.48 = 17,530.16/x
  3. Step 3: Cross multiply
    30,958.88x = 42,729.48 × 17,530.16
  4. Step 4: Simplify right side
    30,958.88x = 749,054,621.12
  5. Step 5: Solve for x
    x = 749,054,621.12/30,958.88
  6. Step 6: Final answer
    x = 24,195.15

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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.