Home / 47,364.55-65,384.35-31,241.36

Finding the Fourth Proportional to 47,364.55, 65,384.35 and 31,241.36

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Solution

The fourth proportional to 47,364.55, 65,384.35 and 31,241.36 is: 43,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,364.55 : 65,384.35 = 31,241.36 : x
  2. Step 2: Convert to fraction form
    47,364.55/65,384.35 = 31,241.36/x
  3. Step 3: Cross multiply
    47,364.55x = 65,384.35 × 31,241.36
  4. Step 4: Simplify right side
    47,364.55x = 2,042,696,102.07
  5. Step 5: Solve for x
    x = 2,042,696,102.07/47,364.55
  6. Step 6: Final answer
    x = 43,127.11

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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.