Home / 31,210.40-46,763.76-21,956.96

Finding the Fourth Proportional to 31,210.40, 46,763.76 and 21,956.96

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Solution

The fourth proportional to 31,210.40, 46,763.76 and 21,956.96 is: 32,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.40 : 46,763.76 = 21,956.96 : x
  2. Step 2: Convert to fraction form
    31,210.40/46,763.76 = 21,956.96/x
  3. Step 3: Cross multiply
    31,210.40x = 46,763.76 × 21,956.96
  4. Step 4: Simplify right side
    31,210.40x = 1,026,790,007.77
  5. Step 5: Solve for x
    x = 1,026,790,007.77/31,210.40
  6. Step 6: Final answer
    x = 32,898.97

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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.