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Finding the Fourth Proportional to 29,566.35, 40,801.64 and 18,956.01

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Solution

The fourth proportional to 29,566.35, 40,801.64 and 18,956.01 is: 26,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,566.35 : 40,801.64 = 18,956.01 : x
  2. Step 2: Convert to fraction form
    29,566.35/40,801.64 = 18,956.01/x
  3. Step 3: Cross multiply
    29,566.35x = 40,801.64 × 18,956.01
  4. Step 4: Simplify right side
    29,566.35x = 773,436,201.08
  5. Step 5: Solve for x
    x = 773,436,201.08/29,566.35
  6. Step 6: Final answer
    x = 26,159.34

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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.