Home / 31,565.77-47,284.63-14,675.11

Finding the Fourth Proportional to 31,565.77, 47,284.63 and 14,675.11

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Solution

The fourth proportional to 31,565.77, 47,284.63 and 14,675.11 is: 21,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.77 : 47,284.63 = 14,675.11 : x
  2. Step 2: Convert to fraction form
    31,565.77/47,284.63 = 14,675.11/x
  3. Step 3: Cross multiply
    31,565.77x = 47,284.63 × 14,675.11
  4. Step 4: Simplify right side
    31,565.77x = 693,907,146.56
  5. Step 5: Solve for x
    x = 693,907,146.56/31,565.77
  6. Step 6: Final answer
    x = 21,982.90

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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.