Home / 47,935.88-66,132.03-31,810.79

Finding the Fourth Proportional to 47,935.88, 66,132.03 and 31,810.79

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Solution

The fourth proportional to 47,935.88, 66,132.03 and 31,810.79 is: 43,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,935.88 : 66,132.03 = 31,810.79 : x
  2. Step 2: Convert to fraction form
    47,935.88/66,132.03 = 31,810.79/x
  3. Step 3: Cross multiply
    47,935.88x = 66,132.03 × 31,810.79
  4. Step 4: Simplify right side
    47,935.88x = 2,103,712,118.60
  5. Step 5: Solve for x
    x = 2,103,712,118.60/47,935.88
  6. Step 6: Final answer
    x = 43,885.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.