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Finding the Fourth Proportional to 30,065.46, 45,085.50 and 9,008.49

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Solution

The fourth proportional to 30,065.46, 45,085.50 and 9,008.49 is: 13,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.46 : 45,085.50 = 9,008.49 : x
  2. Step 2: Convert to fraction form
    30,065.46/45,085.50 = 9,008.49/x
  3. Step 3: Cross multiply
    30,065.46x = 45,085.50 × 9,008.49
  4. Step 4: Simplify right side
    30,065.46x = 406,152,230.85
  5. Step 5: Solve for x
    x = 406,152,230.85/30,065.46
  6. Step 6: Final answer
    x = 13,508.93

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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.