Home / 30,542.24-45,770.16-12,994.40

Finding the Fourth Proportional to 30,542.24, 45,770.16 and 12,994.40

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Solution

The fourth proportional to 30,542.24, 45,770.16 and 12,994.40 is: 19,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542.24 : 45,770.16 = 12,994.40 : x
  2. Step 2: Convert to fraction form
    30,542.24/45,770.16 = 12,994.40/x
  3. Step 3: Cross multiply
    30,542.24x = 45,770.16 × 12,994.40
  4. Step 4: Simplify right side
    30,542.24x = 594,755,767.10
  5. Step 5: Solve for x
    x = 594,755,767.10/30,542.24
  6. Step 6: Final answer
    x = 19,473.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.