Home / 49,588.36-74,288.80-38,440.40

Finding the Fourth Proportional to 49,588.36, 74,288.80 and 38,440.40

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Solution

The fourth proportional to 49,588.36, 74,288.80 and 38,440.40 is: 57,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,588.36 : 74,288.80 = 38,440.40 : x
  2. Step 2: Convert to fraction form
    49,588.36/74,288.80 = 38,440.40/x
  3. Step 3: Cross multiply
    49,588.36x = 74,288.80 × 38,440.40
  4. Step 4: Simplify right side
    49,588.36x = 2,855,691,187.52
  5. Step 5: Solve for x
    x = 2,855,691,187.52/49,588.36
  6. Step 6: Final answer
    x = 57,587.93

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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.