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Finding the Fourth Proportional to 56,812.15, 85,218.06 and 16,834.24

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Solution

The fourth proportional to 56,812.15, 85,218.06 and 16,834.24 is: 25,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,812.15 : 85,218.06 = 16,834.24 : x
  2. Step 2: Convert to fraction form
    56,812.15/85,218.06 = 16,834.24/x
  3. Step 3: Cross multiply
    56,812.15x = 85,218.06 × 16,834.24
  4. Step 4: Simplify right side
    56,812.15x = 1,434,581,274.37
  5. Step 5: Solve for x
    x = 1,434,581,274.37/56,812.15
  6. Step 6: Final answer
    x = 25,251.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.