Home / 30,958.00-42,721.20-17,530.52

Finding the Fourth Proportional to 30,958.00, 42,721.20 and 17,530.52

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Solution

The fourth proportional to 30,958.00, 42,721.20 and 17,530.52 is: 24,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.00 : 42,721.20 = 17,530.52 : x
  2. Step 2: Convert to fraction form
    30,958.00/42,721.20 = 17,530.52/x
  3. Step 3: Cross multiply
    30,958.00x = 42,721.20 × 17,530.52
  4. Step 4: Simplify right side
    30,958.00x = 748,924,637.42
  5. Step 5: Solve for x
    x = 748,924,637.42/30,958.00
  6. Step 6: Final answer
    x = 24,191.64

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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.