Home / 31,330.45-43,232.02-17,902.58

Finding the Fourth Proportional to 31,330.45, 43,232.02 and 17,902.58

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Solution

The fourth proportional to 31,330.45, 43,232.02 and 17,902.58 is: 24,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.45 : 43,232.02 = 17,902.58 : x
  2. Step 2: Convert to fraction form
    31,330.45/43,232.02 = 17,902.58/x
  3. Step 3: Cross multiply
    31,330.45x = 43,232.02 × 17,902.58
  4. Step 4: Simplify right side
    31,330.45x = 773,964,696.61
  5. Step 5: Solve for x
    x = 773,964,696.61/31,330.45
  6. Step 6: Final answer
    x = 24,703.27

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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.