Home / 31,399.12-47,058.54-14,722.36

Finding the Fourth Proportional to 31,399.12, 47,058.54 and 14,722.36

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Solution

The fourth proportional to 31,399.12, 47,058.54 and 14,722.36 is: 22,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.12 : 47,058.54 = 14,722.36 : x
  2. Step 2: Convert to fraction form
    31,399.12/47,058.54 = 14,722.36/x
  3. Step 3: Cross multiply
    31,399.12x = 47,058.54 × 14,722.36
  4. Step 4: Simplify right side
    31,399.12x = 692,812,766.95
  5. Step 5: Solve for x
    x = 692,812,766.95/31,399.12
  6. Step 6: Final answer
    x = 22,064.72

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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.