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Finding the Fourth Proportional to 30,192.40, 45,294.99 and 9,134.02

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Solution

The fourth proportional to 30,192.40, 45,294.99 and 9,134.02 is: 13,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.40 : 45,294.99 = 9,134.02 : x
  2. Step 2: Convert to fraction form
    30,192.40/45,294.99 = 9,134.02/x
  3. Step 3: Cross multiply
    30,192.40x = 45,294.99 × 9,134.02
  4. Step 4: Simplify right side
    30,192.40x = 413,725,344.56
  5. Step 5: Solve for x
    x = 413,725,344.56/30,192.40
  6. Step 6: Final answer
    x = 13,702.96

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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.