Home / 49,392.30-74,023.65-19,785.90

Finding the Fourth Proportional to 49,392.30, 74,023.65 and 19,785.90

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Solution

The fourth proportional to 49,392.30, 74,023.65 and 19,785.90 is: 29,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,392.30 : 74,023.65 = 19,785.90 : x
  2. Step 2: Convert to fraction form
    49,392.30/74,023.65 = 19,785.90/x
  3. Step 3: Cross multiply
    49,392.30x = 74,023.65 × 19,785.90
  4. Step 4: Simplify right side
    49,392.30x = 1,464,624,536.54
  5. Step 5: Solve for x
    x = 1,464,624,536.54/49,392.30
  6. Step 6: Final answer
    x = 29,652.89

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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.