Home / 30,365.98-45,563.04-11,639.76

Finding the Fourth Proportional to 30,365.98, 45,563.04 and 11,639.76

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Solution

The fourth proportional to 30,365.98, 45,563.04 and 11,639.76 is: 17,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.98 : 45,563.04 = 11,639.76 : x
  2. Step 2: Convert to fraction form
    30,365.98/45,563.04 = 11,639.76/x
  3. Step 3: Cross multiply
    30,365.98x = 45,563.04 × 11,639.76
  4. Step 4: Simplify right side
    30,365.98x = 530,342,850.47
  5. Step 5: Solve for x
    x = 530,342,850.47/30,365.98
  6. Step 6: Final answer
    x = 17,465.03

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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.