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Finding the Fourth Proportional to 29,310.01, 40,446.60 and 17,208.82

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Solution

The fourth proportional to 29,310.01, 40,446.60 and 17,208.82 is: 23,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.01 : 40,446.60 = 17,208.82 : x
  2. Step 2: Convert to fraction form
    29,310.01/40,446.60 = 17,208.82/x
  3. Step 3: Cross multiply
    29,310.01x = 40,446.60 × 17,208.82
  4. Step 4: Simplify right side
    29,310.01x = 696,038,259.01
  5. Step 5: Solve for x
    x = 696,038,259.01/29,310.01
  6. Step 6: Final answer
    x = 23,747.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.