Home / 30,677.76-42,337.08-17,249.04

Finding the Fourth Proportional to 30,677.76, 42,337.08 and 17,249.04

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Solution

The fourth proportional to 30,677.76, 42,337.08 and 17,249.04 is: 23,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.76 : 42,337.08 = 17,249.04 : x
  2. Step 2: Convert to fraction form
    30,677.76/42,337.08 = 17,249.04/x
  3. Step 3: Cross multiply
    30,677.76x = 42,337.08 × 17,249.04
  4. Step 4: Simplify right side
    30,677.76x = 730,273,986.40
  5. Step 5: Solve for x
    x = 730,273,986.40/30,677.76
  6. Step 6: Final answer
    x = 23,804.67

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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.