Home / 49,376.40-68,117.67-31,467.30

Finding the Fourth Proportional to 49,376.40, 68,117.67 and 31,467.30

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Solution

The fourth proportional to 49,376.40, 68,117.67 and 31,467.30 is: 43,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.40 : 68,117.67 = 31,467.30 : x
  2. Step 2: Convert to fraction form
    49,376.40/68,117.67 = 31,467.30/x
  3. Step 3: Cross multiply
    49,376.40x = 68,117.67 × 31,467.30
  4. Step 4: Simplify right side
    49,376.40x = 2,143,479,157.19
  5. Step 5: Solve for x
    x = 2,143,479,157.19/49,376.40
  6. Step 6: Final answer
    x = 43,411.01

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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.