Home / 30,005.76-44,994.96-12,465.12

Finding the Fourth Proportional to 30,005.76, 44,994.96 and 12,465.12

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Solution

The fourth proportional to 30,005.76, 44,994.96 and 12,465.12 is: 18,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.76 : 44,994.96 = 12,465.12 : x
  2. Step 2: Convert to fraction form
    30,005.76/44,994.96 = 12,465.12/x
  3. Step 3: Cross multiply
    30,005.76x = 44,994.96 × 12,465.12
  4. Step 4: Simplify right side
    30,005.76x = 560,867,575.80
  5. Step 5: Solve for x
    x = 560,867,575.80/30,005.76
  6. Step 6: Final answer
    x = 18,692.00

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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.