Home / 31,457.75-47,193.92-10,681.25

Finding the Fourth Proportional to 31,457.75, 47,193.92 and 10,681.25

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Solution

The fourth proportional to 31,457.75, 47,193.92 and 10,681.25 is: 16,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.75 : 47,193.92 = 10,681.25 : x
  2. Step 2: Convert to fraction form
    31,457.75/47,193.92 = 10,681.25/x
  3. Step 3: Cross multiply
    31,457.75x = 47,193.92 × 10,681.25
  4. Step 4: Simplify right side
    31,457.75x = 504,090,058
  5. Step 5: Solve for x
    x = 504,090,058/31,457.75
  6. Step 6: Final answer
    x = 16,024.35

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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.