Home / 47,315.97-70,971.15-17,731.32

Finding the Fourth Proportional to 47,315.97, 70,971.15 and 17,731.32

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Solution

The fourth proportional to 47,315.97, 70,971.15 and 17,731.32 is: 26,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315.97 : 70,971.15 = 17,731.32 : x
  2. Step 2: Convert to fraction form
    47,315.97/70,971.15 = 17,731.32/x
  3. Step 3: Cross multiply
    47,315.97x = 70,971.15 × 17,731.32
  4. Step 4: Simplify right side
    47,315.97x = 1,258,412,171.42
  5. Step 5: Solve for x
    x = 1,258,412,171.42/47,315.97
  6. Step 6: Final answer
    x = 26,595.93

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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.