Home / 65,890.23-90,928.68-35,675.91

Finding the Fourth Proportional to 65,890.23, 90,928.68 and 35,675.91

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Solution

The fourth proportional to 65,890.23, 90,928.68 and 35,675.91 is: 49,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.23 : 90,928.68 = 35,675.91 : x
  2. Step 2: Convert to fraction form
    65,890.23/90,928.68 = 35,675.91/x
  3. Step 3: Cross multiply
    65,890.23x = 90,928.68 × 35,675.91
  4. Step 4: Simplify right side
    65,890.23x = 3,243,963,270.31
  5. Step 5: Solve for x
    x = 3,243,963,270.31/65,890.23
  6. Step 6: Final answer
    x = 49,232.84

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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.