Home / 30,530.10-45,808.32-16,487.34

Finding the Fourth Proportional to 30,530.10, 45,808.32 and 16,487.34

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Solution

The fourth proportional to 30,530.10, 45,808.32 and 16,487.34 is: 24,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.10 : 45,808.32 = 16,487.34 : x
  2. Step 2: Convert to fraction form
    30,530.10/45,808.32 = 16,487.34/x
  3. Step 3: Cross multiply
    30,530.10x = 45,808.32 × 16,487.34
  4. Step 4: Simplify right side
    30,530.10x = 755,257,346.67
  5. Step 5: Solve for x
    x = 755,257,346.67/30,530.10
  6. Step 6: Final answer
    x = 24,738.12

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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.