Home / 30,348.82-45,492.04-11,623.78

Finding the Fourth Proportional to 30,348.82, 45,492.04 and 11,623.78

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Solution

The fourth proportional to 30,348.82, 45,492.04 and 11,623.78 is: 17,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.82 : 45,492.04 = 11,623.78 : x
  2. Step 2: Convert to fraction form
    30,348.82/45,492.04 = 11,623.78/x
  3. Step 3: Cross multiply
    30,348.82x = 45,492.04 × 11,623.78
  4. Step 4: Simplify right side
    30,348.82x = 528,789,464.71
  5. Step 5: Solve for x
    x = 528,789,464.71/30,348.82
  6. Step 6: Final answer
    x = 17,423.72

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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.