Home / 65,868.24-90,898.40-35,653.92

Finding the Fourth Proportional to 65,868.24, 90,898.40 and 35,653.92

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Solution

The fourth proportional to 65,868.24, 90,898.40 and 35,653.92 is: 49,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,868.24 : 90,898.40 = 35,653.92 : x
  2. Step 2: Convert to fraction form
    65,868.24/90,898.40 = 35,653.92/x
  3. Step 3: Cross multiply
    65,868.24x = 90,898.40 × 35,653.92
  4. Step 4: Simplify right side
    65,868.24x = 3,240,884,541.30
  5. Step 5: Solve for x
    x = 3,240,884,541.30/65,868.24
  6. Step 6: Final answer
    x = 49,202.54

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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.