Home / 45,643.50-62,953.26-39,280.68

Finding the Fourth Proportional to 45,643.50, 62,953.26 and 39,280.68

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Solution

The fourth proportional to 45,643.50, 62,953.26 and 39,280.68 is: 54,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,643.50 : 62,953.26 = 39,280.68 : x
  2. Step 2: Convert to fraction form
    45,643.50/62,953.26 = 39,280.68/x
  3. Step 3: Cross multiply
    45,643.50x = 62,953.26 × 39,280.68
  4. Step 4: Simplify right side
    45,643.50x = 2,472,846,861.02
  5. Step 5: Solve for x
    x = 2,472,846,861.02/45,643.50
  6. Step 6: Final answer
    x = 54,177.42

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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.