Home / 30,972.67-42,741.07-17,544.67

Finding the Fourth Proportional to 30,972.67, 42,741.07 and 17,544.67

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Solution

The fourth proportional to 30,972.67, 42,741.07 and 17,544.67 is: 24,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,972.67 : 42,741.07 = 17,544.67 : x
  2. Step 2: Convert to fraction form
    30,972.67/42,741.07 = 17,544.67/x
  3. Step 3: Cross multiply
    30,972.67x = 42,741.07 × 17,544.67
  4. Step 4: Simplify right side
    30,972.67x = 749,877,968.60
  5. Step 5: Solve for x
    x = 749,877,968.60/30,972.67
  6. Step 6: Final answer
    x = 24,210.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.