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Finding the Fourth Proportional to 30,328.68, 45,493.02 and 9,267.87

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Solution

The fourth proportional to 30,328.68, 45,493.02 and 9,267.87 is: 13,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.68 : 45,493.02 = 9,267.87 : x
  2. Step 2: Convert to fraction form
    30,328.68/45,493.02 = 9,267.87/x
  3. Step 3: Cross multiply
    30,328.68x = 45,493.02 × 9,267.87
  4. Step 4: Simplify right side
    30,328.68x = 421,623,395.27
  5. Step 5: Solve for x
    x = 421,623,395.27/30,328.68
  6. Step 6: Final answer
    x = 13,901.81

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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.