Home / 31,605.14-47,421.54-14,977.04

Finding the Fourth Proportional to 31,605.14, 47,421.54 and 14,977.04

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Solution

The fourth proportional to 31,605.14, 47,421.54 and 14,977.04 is: 22,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.14 : 47,421.54 = 14,977.04 : x
  2. Step 2: Convert to fraction form
    31,605.14/47,421.54 = 14,977.04/x
  3. Step 3: Cross multiply
    31,605.14x = 47,421.54 × 14,977.04
  4. Step 4: Simplify right side
    31,605.14x = 710,234,301.44
  5. Step 5: Solve for x
    x = 710,234,301.44/31,605.14
  6. Step 6: Final answer
    x = 22,472.11

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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.