Home / 31,905.11-47,828.08-14,126.29

Finding the Fourth Proportional to 31,905.11, 47,828.08 and 14,126.29

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Solution

The fourth proportional to 31,905.11, 47,828.08 and 14,126.29 is: 21,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.11 : 47,828.08 = 14,126.29 : x
  2. Step 2: Convert to fraction form
    31,905.11/47,828.08 = 14,126.29/x
  3. Step 3: Cross multiply
    31,905.11x = 47,828.08 × 14,126.29
  4. Step 4: Simplify right side
    31,905.11x = 675,633,405.67
  5. Step 5: Solve for x
    x = 675,633,405.67/31,905.11
  6. Step 6: Final answer
    x = 21,176.34

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1.5x scale

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.