Home / 31,433.04-43,376.58-17,285.58

Finding the Fourth Proportional to 31,433.04, 43,376.58 and 17,285.58

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Solution

The fourth proportional to 31,433.04, 43,376.58 and 17,285.58 is: 23,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.04 : 43,376.58 = 17,285.58 : x
  2. Step 2: Convert to fraction form
    31,433.04/43,376.58 = 17,285.58/x
  3. Step 3: Cross multiply
    31,433.04x = 43,376.58 × 17,285.58
  4. Step 4: Simplify right side
    31,433.04x = 749,789,343.72
  5. Step 5: Solve for x
    x = 749,789,343.72/31,433.04
  6. Step 6: Final answer
    x = 23,853.54

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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.