Home / 49,538.60-74,313.30-47,983.40

Finding the Fourth Proportional to 49,538.60, 74,313.30 and 47,983.40

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Solution

The fourth proportional to 49,538.60, 74,313.30 and 47,983.40 is: 71,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.60 : 74,313.30 = 47,983.40 : x
  2. Step 2: Convert to fraction form
    49,538.60/74,313.30 = 47,983.40/x
  3. Step 3: Cross multiply
    49,538.60x = 74,313.30 × 47,983.40
  4. Step 4: Simplify right side
    49,538.60x = 3,565,804,799.22
  5. Step 5: Solve for x
    x = 3,565,804,799.22/49,538.60
  6. Step 6: Final answer
    x = 71,980.33

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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.