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Finding the Fourth Proportional to 30,048.70, 45,100.14 and 16,020.40

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Solution

The fourth proportional to 30,048.70, 45,100.14 and 16,020.40 is: 24,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.70 : 45,100.14 = 16,020.40 : x
  2. Step 2: Convert to fraction form
    30,048.70/45,100.14 = 16,020.40/x
  3. Step 3: Cross multiply
    30,048.70x = 45,100.14 × 16,020.40
  4. Step 4: Simplify right side
    30,048.70x = 722,522,282.86
  5. Step 5: Solve for x
    x = 722,522,282.86/30,048.70
  6. Step 6: Final answer
    x = 24,045.04

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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.