Home / 51,520.16-71,096.99-28,859.07

Finding the Fourth Proportional to 51,520.16, 71,096.99 and 28,859.07

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Solution

The fourth proportional to 51,520.16, 71,096.99 and 28,859.07 is: 39,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.16 : 71,096.99 = 28,859.07 : x
  2. Step 2: Convert to fraction form
    51,520.16/71,096.99 = 28,859.07/x
  3. Step 3: Cross multiply
    51,520.16x = 71,096.99 × 28,859.07
  4. Step 4: Simplify right side
    51,520.16x = 2,051,792,866.90
  5. Step 5: Solve for x
    x = 2,051,792,866.90/51,520.16
  6. Step 6: Final answer
    x = 39,825.05

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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.