Home / 36,043.52-54,027-21,259.40

Finding the Fourth Proportional to 36,043.52, 54,027 and 21,259.40

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Solution

The fourth proportional to 36,043.52, 54,027 and 21,259.40 is: 31,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043.52 : 54,027 = 21,259.40 : x
  2. Step 2: Convert to fraction form
    36,043.52/54,027 = 21,259.40/x
  3. Step 3: Cross multiply
    36,043.52x = 54,027 × 21,259.40
  4. Step 4: Simplify right side
    36,043.52x = 1,148,581,333.67
  5. Step 5: Solve for x
    x = 1,148,581,333.67/36,043.52
  6. Step 6: Final answer
    x = 31,866.52

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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.