Home / 31,232.46-43,095.78-19,299.72

Finding the Fourth Proportional to 31,232.46, 43,095.78 and 19,299.72

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Solution

The fourth proportional to 31,232.46, 43,095.78 and 19,299.72 is: 26,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232.46 : 43,095.78 = 19,299.72 : x
  2. Step 2: Convert to fraction form
    31,232.46/43,095.78 = 19,299.72/x
  3. Step 3: Cross multiply
    31,232.46x = 43,095.78 × 19,299.72
  4. Step 4: Simplify right side
    31,232.46x = 831,736,487.18
  5. Step 5: Solve for x
    x = 831,736,487.18/31,232.46
  6. Step 6: Final answer
    x = 26,630.51

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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.