Home / 54,306.65-74,940.09-31,649.33

Finding the Fourth Proportional to 54,306.65, 74,940.09 and 31,649.33

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Solution

The fourth proportional to 54,306.65, 74,940.09 and 31,649.33 is: 43,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.65 : 74,940.09 = 31,649.33 : x
  2. Step 2: Convert to fraction form
    54,306.65/74,940.09 = 31,649.33/x
  3. Step 3: Cross multiply
    54,306.65x = 74,940.09 × 31,649.33
  4. Step 4: Simplify right side
    54,306.65x = 2,371,803,638.64
  5. Step 5: Solve for x
    x = 2,371,803,638.64/54,306.65
  6. Step 6: Final answer
    x = 43,674.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.