Home / 31,982.34-47,973.52-9,795.64

Finding the Fourth Proportional to 31,982.34, 47,973.52 and 9,795.64

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Solution

The fourth proportional to 31,982.34, 47,973.52 and 9,795.64 is: 14,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.34 : 47,973.52 = 9,795.64 : x
  2. Step 2: Convert to fraction form
    31,982.34/47,973.52 = 9,795.64/x
  3. Step 3: Cross multiply
    31,982.34x = 47,973.52 × 9,795.64
  4. Step 4: Simplify right side
    31,982.34x = 469,931,331.45
  5. Step 5: Solve for x
    x = 469,931,331.45/31,982.34
  6. Step 6: Final answer
    x = 14,693.46

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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.