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Finding the Fourth Proportional to 30,491.52, 45,606.04 and 27,138.12

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Solution

The fourth proportional to 30,491.52, 45,606.04 and 27,138.12 is: 40,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,491.52 : 45,606.04 = 27,138.12 : x
  2. Step 2: Convert to fraction form
    30,491.52/45,606.04 = 27,138.12/x
  3. Step 3: Cross multiply
    30,491.52x = 45,606.04 × 27,138.12
  4. Step 4: Simplify right side
    30,491.52x = 1,237,662,186.24
  5. Step 5: Solve for x
    x = 1,237,662,186.24/30,491.52
  6. Step 6: Final answer
    x = 40,590.37

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1.5x scale

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.