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Finding the Fourth Proportional to 29,874.72, 44,820.72 and 12,335.52

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Solution

The fourth proportional to 29,874.72, 44,820.72 and 12,335.52 is: 18,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,874.72 : 44,820.72 = 12,335.52 : x
  2. Step 2: Convert to fraction form
    29,874.72/44,820.72 = 12,335.52/x
  3. Step 3: Cross multiply
    29,874.72x = 44,820.72 × 12,335.52
  4. Step 4: Simplify right side
    29,874.72x = 552,886,887.97
  5. Step 5: Solve for x
    x = 552,886,887.97/29,874.72
  6. Step 6: Final answer
    x = 18,506.85

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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.