Home / 31,747.02-47,642.40-14,236.44

Finding the Fourth Proportional to 31,747.02, 47,642.40 and 14,236.44

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Solution

The fourth proportional to 31,747.02, 47,642.40 and 14,236.44 is: 21,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.02 : 47,642.40 = 14,236.44 : x
  2. Step 2: Convert to fraction form
    31,747.02/47,642.40 = 14,236.44/x
  3. Step 3: Cross multiply
    31,747.02x = 47,642.40 × 14,236.44
  4. Step 4: Simplify right side
    31,747.02x = 678,258,169.06
  5. Step 5: Solve for x
    x = 678,258,169.06/31,747.02
  6. Step 6: Final answer
    x = 21,364.47

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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.