Home / 31,502.07-47,241.99-9,309.51

Finding the Fourth Proportional to 31,502.07, 47,241.99 and 9,309.51

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Solution

The fourth proportional to 31,502.07, 47,241.99 and 9,309.51 is: 13,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.07 : 47,241.99 = 9,309.51 : x
  2. Step 2: Convert to fraction form
    31,502.07/47,241.99 = 9,309.51/x
  3. Step 3: Cross multiply
    31,502.07x = 47,241.99 × 9,309.51
  4. Step 4: Simplify right side
    31,502.07x = 439,799,778.32
  5. Step 5: Solve for x
    x = 439,799,778.32/31,502.07
  6. Step 6: Final answer
    x = 13,960.98

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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.