Home / 54,012.68-74,553.14-31,356.76

Finding the Fourth Proportional to 54,012.68, 74,553.14 and 31,356.76

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Solution

The fourth proportional to 54,012.68, 74,553.14 and 31,356.76 is: 43,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.68 : 74,553.14 = 31,356.76 : x
  2. Step 2: Convert to fraction form
    54,012.68/74,553.14 = 31,356.76/x
  3. Step 3: Cross multiply
    54,012.68x = 74,553.14 × 31,356.76
  4. Step 4: Simplify right side
    54,012.68x = 2,337,744,918.23
  5. Step 5: Solve for x
    x = 2,337,744,918.23/54,012.68
  6. Step 6: Final answer
    x = 43,281.41

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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.