Home / 30,672.60-42,332.67-17,244.96

Finding the Fourth Proportional to 30,672.60, 42,332.67 and 17,244.96

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Solution

The fourth proportional to 30,672.60, 42,332.67 and 17,244.96 is: 23,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.60 : 42,332.67 = 17,244.96 : x
  2. Step 2: Convert to fraction form
    30,672.60/42,332.67 = 17,244.96/x
  3. Step 3: Cross multiply
    30,672.60x = 42,332.67 × 17,244.96
  4. Step 4: Simplify right side
    30,672.60x = 730,025,200.84
  5. Step 5: Solve for x
    x = 730,025,200.84/30,672.60
  6. Step 6: Final answer
    x = 23,800.56

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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.