Home / 54,036.01-74,569.41-31,380.57

Finding the Fourth Proportional to 54,036.01, 74,569.41 and 31,380.57

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Solution

The fourth proportional to 54,036.01, 74,569.41 and 31,380.57 is: 43,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.01 : 74,569.41 = 31,380.57 : x
  2. Step 2: Convert to fraction form
    54,036.01/74,569.41 = 31,380.57/x
  3. Step 3: Cross multiply
    54,036.01x = 74,569.41 × 31,380.57
  4. Step 4: Simplify right side
    54,036.01x = 2,340,030,870.00
  5. Step 5: Solve for x
    x = 2,340,030,870.00/54,036.01
  6. Step 6: Final answer
    x = 43,305.03

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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.