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Finding the Fourth Proportional to 45,839.70, 68,771.70 and 16,254.45

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Solution

The fourth proportional to 45,839.70, 68,771.70 and 16,254.45 is: 24,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,839.70 : 68,771.70 = 16,254.45 : x
  2. Step 2: Convert to fraction form
    45,839.70/68,771.70 = 16,254.45/x
  3. Step 3: Cross multiply
    45,839.70x = 68,771.70 × 16,254.45
  4. Step 4: Simplify right side
    45,839.70x = 1,117,846,159.07
  5. Step 5: Solve for x
    x = 1,117,846,159.07/45,839.70
  6. Step 6: Final answer
    x = 24,385.98

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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.