Home / 62,688.20-86,509.82-34,394.09

Finding the Fourth Proportional to 62,688.20, 86,509.82 and 34,394.09

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Solution

The fourth proportional to 62,688.20, 86,509.82 and 34,394.09 is: 47,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,688.20 : 86,509.82 = 34,394.09 : x
  2. Step 2: Convert to fraction form
    62,688.20/86,509.82 = 34,394.09/x
  3. Step 3: Cross multiply
    62,688.20x = 86,509.82 × 34,394.09
  4. Step 4: Simplify right side
    62,688.20x = 2,975,426,188.40
  5. Step 5: Solve for x
    x = 2,975,426,188.40/62,688.20
  6. Step 6: Final answer
    x = 47,463.90

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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.