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Finding the Fourth Proportional to 36,324.72, 54,488.30 and 9,670.72

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Solution

The fourth proportional to 36,324.72, 54,488.30 and 9,670.72 is: 14,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,324.72 : 54,488.30 = 9,670.72 : x
  2. Step 2: Convert to fraction form
    36,324.72/54,488.30 = 9,670.72/x
  3. Step 3: Cross multiply
    36,324.72x = 54,488.30 × 9,670.72
  4. Step 4: Simplify right side
    36,324.72x = 526,941,092.58
  5. Step 5: Solve for x
    x = 526,941,092.58/36,324.72
  6. Step 6: Final answer
    x = 14,506.40

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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.