Home / 30,503.18-45,746.57-10,776.44

Finding the Fourth Proportional to 30,503.18, 45,746.57 and 10,776.44

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Solution

The fourth proportional to 30,503.18, 45,746.57 and 10,776.44 is: 16,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503.18 : 45,746.57 = 10,776.44 : x
  2. Step 2: Convert to fraction form
    30,503.18/45,746.57 = 10,776.44/x
  3. Step 3: Cross multiply
    30,503.18x = 45,746.57 × 10,776.44
  4. Step 4: Simplify right side
    30,503.18x = 492,985,308.12
  5. Step 5: Solve for x
    x = 492,985,308.12/30,503.18
  6. Step 6: Final answer
    x = 16,161.77

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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.