Home / 30,189.03-45,282.33-15,397.62

Finding the Fourth Proportional to 30,189.03, 45,282.33 and 15,397.62

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Solution

The fourth proportional to 30,189.03, 45,282.33 and 15,397.62 is: 23,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.03 : 45,282.33 = 15,397.62 : x
  2. Step 2: Convert to fraction form
    30,189.03/45,282.33 = 15,397.62/x
  3. Step 3: Cross multiply
    30,189.03x = 45,282.33 × 15,397.62
  4. Step 4: Simplify right side
    30,189.03x = 697,240,110.05
  5. Step 5: Solve for x
    x = 697,240,110.05/30,189.03
  6. Step 6: Final answer
    x = 23,095.81

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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.