Home / 57,203.61-78,941.08-31,710.36

Finding the Fourth Proportional to 57,203.61, 78,941.08 and 31,710.36

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Solution

The fourth proportional to 57,203.61, 78,941.08 and 31,710.36 is: 43,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,203.61 : 78,941.08 = 31,710.36 : x
  2. Step 2: Convert to fraction form
    57,203.61/78,941.08 = 31,710.36/x
  3. Step 3: Cross multiply
    57,203.61x = 78,941.08 × 31,710.36
  4. Step 4: Simplify right side
    57,203.61x = 2,503,250,065.59
  5. Step 5: Solve for x
    x = 2,503,250,065.59/57,203.61
  6. Step 6: Final answer
    x = 43,760.35

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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.