Home / 30,216.38-45,325.71-11,492.91

Finding the Fourth Proportional to 30,216.38, 45,325.71 and 11,492.91

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Solution

The fourth proportional to 30,216.38, 45,325.71 and 11,492.91 is: 17,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.38 : 45,325.71 = 11,492.91 : x
  2. Step 2: Convert to fraction form
    30,216.38/45,325.71 = 11,492.91/x
  3. Step 3: Cross multiply
    30,216.38x = 45,325.71 × 11,492.91
  4. Step 4: Simplify right side
    30,216.38x = 520,924,305.72
  5. Step 5: Solve for x
    x = 520,924,305.72/30,216.38
  6. Step 6: Final answer
    x = 17,239.80

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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.