Home / 31,973.90-47,958.81-9,785.51

Finding the Fourth Proportional to 31,973.90, 47,958.81 and 9,785.51

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Solution

The fourth proportional to 31,973.90, 47,958.81 and 9,785.51 is: 14,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.90 : 47,958.81 = 9,785.51 : x
  2. Step 2: Convert to fraction form
    31,973.90/47,958.81 = 9,785.51/x
  3. Step 3: Cross multiply
    31,973.90x = 47,958.81 × 9,785.51
  4. Step 4: Simplify right side
    31,973.90x = 469,301,414.84
  5. Step 5: Solve for x
    x = 469,301,414.84/31,973.90
  6. Step 6: Final answer
    x = 14,677.64

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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.