Home / 51,618.92-71,232.99-28,957.50

Finding the Fourth Proportional to 51,618.92, 71,232.99 and 28,957.50

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Solution

The fourth proportional to 51,618.92, 71,232.99 and 28,957.50 is: 39,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618.92 : 71,232.99 = 28,957.50 : x
  2. Step 2: Convert to fraction form
    51,618.92/71,232.99 = 28,957.50/x
  3. Step 3: Cross multiply
    51,618.92x = 71,232.99 × 28,957.50
  4. Step 4: Simplify right side
    51,618.92x = 2,062,728,985.06
  5. Step 5: Solve for x
    x = 2,062,728,985.06/51,618.92
  6. Step 6: Final answer
    x = 39,960.72

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1.5x scale

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.