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Finding the Fourth Proportional to 30,295.62, 45,411.84 and 17,805.42

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Solution

The fourth proportional to 30,295.62, 45,411.84 and 17,805.42 is: 26,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.62 : 45,411.84 = 17,805.42 : x
  2. Step 2: Convert to fraction form
    30,295.62/45,411.84 = 17,805.42/x
  3. Step 3: Cross multiply
    30,295.62x = 45,411.84 × 17,805.42
  4. Step 4: Simplify right side
    30,295.62x = 808,576,884.17
  5. Step 5: Solve for x
    x = 808,576,884.17/30,295.62
  6. Step 6: Final answer
    x = 26,689.56

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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.