Home / 31,366.64-47,049.35-12,646.28

Finding the Fourth Proportional to 31,366.64, 47,049.35 and 12,646.28

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Solution

The fourth proportional to 31,366.64, 47,049.35 and 12,646.28 is: 18,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.64 : 47,049.35 = 12,646.28 : x
  2. Step 2: Convert to fraction form
    31,366.64/47,049.35 = 12,646.28/x
  3. Step 3: Cross multiply
    31,366.64x = 47,049.35 × 12,646.28
  4. Step 4: Simplify right side
    31,366.64x = 594,998,955.44
  5. Step 5: Solve for x
    x = 594,998,955.44/31,366.64
  6. Step 6: Final answer
    x = 18,969.17

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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.