Home / 31,669.37-47,490.08-16,875.12

Finding the Fourth Proportional to 31,669.37, 47,490.08 and 16,875.12

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Solution

The fourth proportional to 31,669.37, 47,490.08 and 16,875.12 is: 25,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.37 : 47,490.08 = 16,875.12 : x
  2. Step 2: Convert to fraction form
    31,669.37/47,490.08 = 16,875.12/x
  3. Step 3: Cross multiply
    31,669.37x = 47,490.08 × 16,875.12
  4. Step 4: Simplify right side
    31,669.37x = 801,400,714.43
  5. Step 5: Solve for x
    x = 801,400,714.43/31,669.37
  6. Step 6: Final answer
    x = 25,305.23

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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.