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Finding the Fourth Proportional to 51,125.66, 76,700.80 and 16,065.32

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Solution

The fourth proportional to 51,125.66, 76,700.80 and 16,065.32 is: 24,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.66 : 76,700.80 = 16,065.32 : x
  2. Step 2: Convert to fraction form
    51,125.66/76,700.80 = 16,065.32/x
  3. Step 3: Cross multiply
    51,125.66x = 76,700.80 × 16,065.32
  4. Step 4: Simplify right side
    51,125.66x = 1,232,222,896.26
  5. Step 5: Solve for x
    x = 1,232,222,896.26/51,125.66
  6. Step 6: Final answer
    x = 24,101.85

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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.