Home / 31,242.50-43,114.64-17,095.35

Finding the Fourth Proportional to 31,242.50, 43,114.64 and 17,095.35

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Solution

The fourth proportional to 31,242.50, 43,114.64 and 17,095.35 is: 23,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.50 : 43,114.64 = 17,095.35 : x
  2. Step 2: Convert to fraction form
    31,242.50/43,114.64 = 17,095.35/x
  3. Step 3: Cross multiply
    31,242.50x = 43,114.64 × 17,095.35
  4. Step 4: Simplify right side
    31,242.50x = 737,059,775.45
  5. Step 5: Solve for x
    x = 737,059,775.45/31,242.50
  6. Step 6: Final answer
    x = 23,591.58

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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.