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Finding the Fourth Proportional to 63,059.80, 94,541.70 and 31,917.40

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Solution

The fourth proportional to 63,059.80, 94,541.70 and 31,917.40 is: 47,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,059.80 : 94,541.70 = 31,917.40 : x
  2. Step 2: Convert to fraction form
    63,059.80/94,541.70 = 31,917.40/x
  3. Step 3: Cross multiply
    63,059.80x = 94,541.70 × 31,917.40
  4. Step 4: Simplify right side
    63,059.80x = 3,017,525,255.58
  5. Step 5: Solve for x
    x = 3,017,525,255.58/63,059.80
  6. Step 6: Final answer
    x = 47,851.81

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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.