Home / 30,267.57-45,443.49-15,486.69

Finding the Fourth Proportional to 30,267.57, 45,443.49 and 15,486.69

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Solution

The fourth proportional to 30,267.57, 45,443.49 and 15,486.69 is: 23,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267.57 : 45,443.49 = 15,486.69 : x
  2. Step 2: Convert to fraction form
    30,267.57/45,443.49 = 15,486.69/x
  3. Step 3: Cross multiply
    30,267.57x = 45,443.49 × 15,486.69
  4. Step 4: Simplify right side
    30,267.57x = 703,769,242.15
  5. Step 5: Solve for x
    x = 703,769,242.15/30,267.57
  6. Step 6: Final answer
    x = 23,251.59

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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.