Home / 54,123.80-81,147.30-24,555.80

Finding the Fourth Proportional to 54,123.80, 81,147.30 and 24,555.80

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Solution

The fourth proportional to 54,123.80, 81,147.30 and 24,555.80 is: 36,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.80 : 81,147.30 = 24,555.80 : x
  2. Step 2: Convert to fraction form
    54,123.80/81,147.30 = 24,555.80/x
  3. Step 3: Cross multiply
    54,123.80x = 81,147.30 × 24,555.80
  4. Step 4: Simplify right side
    54,123.80x = 1,992,636,869.34
  5. Step 5: Solve for x
    x = 1,992,636,869.34/54,123.80
  6. Step 6: Final answer
    x = 36,816.28

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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.