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Finding the Fourth Proportional to 30,899.01, 45,951 and 29,914.86

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Solution

The fourth proportional to 30,899.01, 45,951 and 29,914.86 is: 44,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899.01 : 45,951 = 29,914.86 : x
  2. Step 2: Convert to fraction form
    30,899.01/45,951 = 29,914.86/x
  3. Step 3: Cross multiply
    30,899.01x = 45,951 × 29,914.86
  4. Step 4: Simplify right side
    30,899.01x = 1,374,617,731.86
  5. Step 5: Solve for x
    x = 1,374,617,731.86/30,899.01
  6. Step 6: Final answer
    x = 44,487.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.