Home / 30,225.68-41,713.40-18,289.52

Finding the Fourth Proportional to 30,225.68, 41,713.40 and 18,289.52

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Solution

The fourth proportional to 30,225.68, 41,713.40 and 18,289.52 is: 25,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.68 : 41,713.40 = 18,289.52 : x
  2. Step 2: Convert to fraction form
    30,225.68/41,713.40 = 18,289.52/x
  3. Step 3: Cross multiply
    30,225.68x = 41,713.40 × 18,289.52
  4. Step 4: Simplify right side
    30,225.68x = 762,918,063.57
  5. Step 5: Solve for x
    x = 762,918,063.57/30,225.68
  6. Step 6: Final answer
    x = 25,240.72

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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.