Home / 30,209.68-45,263.35-18,498.43

Finding the Fourth Proportional to 30,209.68, 45,263.35 and 18,498.43

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Solution

The fourth proportional to 30,209.68, 45,263.35 and 18,498.43 is: 27,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.68 : 45,263.35 = 18,498.43 : x
  2. Step 2: Convert to fraction form
    30,209.68/45,263.35 = 18,498.43/x
  3. Step 3: Cross multiply
    30,209.68x = 45,263.35 × 18,498.43
  4. Step 4: Simplify right side
    30,209.68x = 837,300,911.54
  5. Step 5: Solve for x
    x = 837,300,911.54/30,209.68
  6. Step 6: Final answer
    x = 27,716.31

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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.