Home / 30,079.28-41,512.54-17,332.98

Finding the Fourth Proportional to 30,079.28, 41,512.54 and 17,332.98

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Solution

The fourth proportional to 30,079.28, 41,512.54 and 17,332.98 is: 23,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.28 : 41,512.54 = 17,332.98 : x
  2. Step 2: Convert to fraction form
    30,079.28/41,512.54 = 17,332.98/x
  3. Step 3: Cross multiply
    30,079.28x = 41,512.54 × 17,332.98
  4. Step 4: Simplify right side
    30,079.28x = 719,536,025.57
  5. Step 5: Solve for x
    x = 719,536,025.57/30,079.28
  6. Step 6: Final answer
    x = 23,921.32

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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.