Home / 31,516.46-43,490.66-17,369.30

Finding the Fourth Proportional to 31,516.46, 43,490.66 and 17,369.30

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Solution

The fourth proportional to 31,516.46, 43,490.66 and 17,369.30 is: 23,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.46 : 43,490.66 = 17,369.30 : x
  2. Step 2: Convert to fraction form
    31,516.46/43,490.66 = 17,369.30/x
  3. Step 3: Cross multiply
    31,516.46x = 43,490.66 × 17,369.30
  4. Step 4: Simplify right side
    31,516.46x = 755,402,320.74
  5. Step 5: Solve for x
    x = 755,402,320.74/31,516.46
  6. Step 6: Final answer
    x = 23,968.50

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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.