Home / 31,206.04-46,783.14-21,819.22

Finding the Fourth Proportional to 31,206.04, 46,783.14 and 21,819.22

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Solution

The fourth proportional to 31,206.04, 46,783.14 and 21,819.22 is: 32,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.04 : 46,783.14 = 21,819.22 : x
  2. Step 2: Convert to fraction form
    31,206.04/46,783.14 = 21,819.22/x
  3. Step 3: Cross multiply
    31,206.04x = 46,783.14 × 21,819.22
  4. Step 4: Simplify right side
    31,206.04x = 1,020,771,623.95
  5. Step 5: Solve for x
    x = 1,020,771,623.95/31,206.04
  6. Step 6: Final answer
    x = 32,710.71

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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.