Home / 54,280.96-74,908.50-31,619.36

Finding the Fourth Proportional to 54,280.96, 74,908.50 and 31,619.36

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Solution

The fourth proportional to 54,280.96, 74,908.50 and 31,619.36 is: 43,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.96 : 74,908.50 = 31,619.36 : x
  2. Step 2: Convert to fraction form
    54,280.96/74,908.50 = 31,619.36/x
  3. Step 3: Cross multiply
    54,280.96x = 74,908.50 × 31,619.36
  4. Step 4: Simplify right side
    54,280.96x = 2,368,558,828.56
  5. Step 5: Solve for x
    x = 2,368,558,828.56/54,280.96
  6. Step 6: Final answer
    x = 43,635.17

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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.