Home / 54,674.09-82,011.10-42,212.31

Finding the Fourth Proportional to 54,674.09, 82,011.10 and 42,212.31

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Solution

The fourth proportional to 54,674.09, 82,011.10 and 42,212.31 is: 63,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,674.09 : 82,011.10 = 42,212.31 : x
  2. Step 2: Convert to fraction form
    54,674.09/82,011.10 = 42,212.31/x
  3. Step 3: Cross multiply
    54,674.09x = 82,011.10 × 42,212.31
  4. Step 4: Simplify right side
    54,674.09x = 3,461,877,976.64
  5. Step 5: Solve for x
    x = 3,461,877,976.64/54,674.09
  6. Step 6: Final answer
    x = 63,318.44

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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.