Home / 31,543.08-43,528.32-17,395.80

Finding the Fourth Proportional to 31,543.08, 43,528.32 and 17,395.80

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Solution

The fourth proportional to 31,543.08, 43,528.32 and 17,395.80 is: 24,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.08 : 43,528.32 = 17,395.80 : x
  2. Step 2: Convert to fraction form
    31,543.08/43,528.32 = 17,395.80/x
  3. Step 3: Cross multiply
    31,543.08x = 43,528.32 × 17,395.80
  4. Step 4: Simplify right side
    31,543.08x = 757,209,949.06
  5. Step 5: Solve for x
    x = 757,209,949.06/31,543.08
  6. Step 6: Final answer
    x = 24,005.58

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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.