Home / 31,846.32-47,706.40-21,826.40

Finding the Fourth Proportional to 31,846.32, 47,706.40 and 21,826.40

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Solution

The fourth proportional to 31,846.32, 47,706.40 and 21,826.40 is: 32,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.32 : 47,706.40 = 21,826.40 : x
  2. Step 2: Convert to fraction form
    31,846.32/47,706.40 = 21,826.40/x
  3. Step 3: Cross multiply
    31,846.32x = 47,706.40 × 21,826.40
  4. Step 4: Simplify right side
    31,846.32x = 1,041,258,968.96
  5. Step 5: Solve for x
    x = 1,041,258,968.96/31,846.32
  6. Step 6: Final answer
    x = 32,696.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.