Home / 31,852.02-47,786.13-18,715.44

Finding the Fourth Proportional to 31,852.02, 47,786.13 and 18,715.44

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Solution

The fourth proportional to 31,852.02, 47,786.13 and 18,715.44 is: 28,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.02 : 47,786.13 = 18,715.44 : x
  2. Step 2: Convert to fraction form
    31,852.02/47,786.13 = 18,715.44/x
  3. Step 3: Cross multiply
    31,852.02x = 47,786.13 × 18,715.44
  4. Step 4: Simplify right side
    31,852.02x = 894,338,448.85
  5. Step 5: Solve for x
    x = 894,338,448.85/31,852.02
  6. Step 6: Final answer
    x = 28,077.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.