Home / 31,606.64-47,372.16-14,056.64

Finding the Fourth Proportional to 31,606.64, 47,372.16 and 14,056.64

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Solution

The fourth proportional to 31,606.64, 47,372.16 and 14,056.64 is: 21,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.64 : 47,372.16 = 14,056.64 : x
  2. Step 2: Convert to fraction form
    31,606.64/47,372.16 = 14,056.64/x
  3. Step 3: Cross multiply
    31,606.64x = 47,372.16 × 14,056.64
  4. Step 4: Simplify right side
    31,606.64x = 665,893,399.14
  5. Step 5: Solve for x
    x = 665,893,399.14/31,606.64
  6. Step 6: Final answer
    x = 21,068.15

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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.