Home / 31,433.80-43,375.08-17,285.80

Finding the Fourth Proportional to 31,433.80, 43,375.08 and 17,285.80

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Solution

The fourth proportional to 31,433.80, 43,375.08 and 17,285.80 is: 23,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.80 : 43,375.08 = 17,285.80 : x
  2. Step 2: Convert to fraction form
    31,433.80/43,375.08 = 17,285.80/x
  3. Step 3: Cross multiply
    31,433.80x = 43,375.08 × 17,285.80
  4. Step 4: Simplify right side
    31,433.80x = 749,772,957.86
  5. Step 5: Solve for x
    x = 749,772,957.86/31,433.80
  6. Step 6: Final answer
    x = 23,852.44

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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.