Home / 30,149.04-45,209.52-17,672.88

Finding the Fourth Proportional to 30,149.04, 45,209.52 and 17,672.88

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Solution

The fourth proportional to 30,149.04, 45,209.52 and 17,672.88 is: 26,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.04 : 45,209.52 = 17,672.88 : x
  2. Step 2: Convert to fraction form
    30,149.04/45,209.52 = 17,672.88/x
  3. Step 3: Cross multiply
    30,149.04x = 45,209.52 × 17,672.88
  4. Step 4: Simplify right side
    30,149.04x = 798,982,421.82
  5. Step 5: Solve for x
    x = 798,982,421.82/30,149.04
  6. Step 6: Final answer
    x = 26,501.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.