Home / 31,980.48-47,649.18-30,192

Finding the Fourth Proportional to 31,980.48, 47,649.18 and 30,192

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Solution

The fourth proportional to 31,980.48, 47,649.18 and 30,192 is: 44,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.48 : 47,649.18 = 30,192 : x
  2. Step 2: Convert to fraction form
    31,980.48/47,649.18 = 30,192/x
  3. Step 3: Cross multiply
    31,980.48x = 47,649.18 × 30,192
  4. Step 4: Simplify right side
    31,980.48x = 1,438,624,042.56
  5. Step 5: Solve for x
    x = 1,438,624,042.56/31,980.48
  6. Step 6: Final answer
    x = 44,984.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.