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Finding the Fourth Proportional to 54,347.70, 81,485.10 and 24,750.30

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Solution

The fourth proportional to 54,347.70, 81,485.10 and 24,750.30 is: 37,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.70 : 81,485.10 = 24,750.30 : x
  2. Step 2: Convert to fraction form
    54,347.70/81,485.10 = 24,750.30/x
  3. Step 3: Cross multiply
    54,347.70x = 81,485.10 × 24,750.30
  4. Step 4: Simplify right side
    54,347.70x = 2,016,780,670.53
  5. Step 5: Solve for x
    x = 2,016,780,670.53/54,347.70
  6. Step 6: Final answer
    x = 37,108.85

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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.