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Finding the Fourth Proportional to 36,303.64, 54,407 and 19,402

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Solution

The fourth proportional to 36,303.64, 54,407 and 19,402 is: 29,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,303.64 : 54,407 = 19,402 : x
  2. Step 2: Convert to fraction form
    36,303.64/54,407 = 19,402/x
  3. Step 3: Cross multiply
    36,303.64x = 54,407 × 19,402
  4. Step 4: Simplify right side
    36,303.64x = 1,055,604,614
  5. Step 5: Solve for x
    x = 1,055,604,614/36,303.64
  6. Step 6: Final answer
    x = 29,077.10

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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.