Home / 51,816.17-71,506.19-29,155.21

Finding the Fourth Proportional to 51,816.17, 71,506.19 and 29,155.21

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Solution

The fourth proportional to 51,816.17, 71,506.19 and 29,155.21 is: 40,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.17 : 71,506.19 = 29,155.21 : x
  2. Step 2: Convert to fraction form
    51,816.17/71,506.19 = 29,155.21/x
  3. Step 3: Cross multiply
    51,816.17x = 71,506.19 × 29,155.21
  4. Step 4: Simplify right side
    51,816.17x = 2,084,777,879.87
  5. Step 5: Solve for x
    x = 2,084,777,879.87/51,816.17
  6. Step 6: Final answer
    x = 40,234.12

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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.