Home / 31,816.32-43,907.85-17,669.07

Finding the Fourth Proportional to 31,816.32, 43,907.85 and 17,669.07

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Solution

The fourth proportional to 31,816.32, 43,907.85 and 17,669.07 is: 24,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.32 : 43,907.85 = 17,669.07 : x
  2. Step 2: Convert to fraction form
    31,816.32/43,907.85 = 17,669.07/x
  3. Step 3: Cross multiply
    31,816.32x = 43,907.85 × 17,669.07
  4. Step 4: Simplify right side
    31,816.32x = 775,810,875.20
  5. Step 5: Solve for x
    x = 775,810,875.20/31,816.32
  6. Step 6: Final answer
    x = 24,384.05

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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.