Home / 49,698.34-74,548.12-14,638.70

Finding the Fourth Proportional to 49,698.34, 74,548.12 and 14,638.70

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Solution

The fourth proportional to 49,698.34, 74,548.12 and 14,638.70 is: 21,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,698.34 : 74,548.12 = 14,638.70 : x
  2. Step 2: Convert to fraction form
    49,698.34/74,548.12 = 14,638.70/x
  3. Step 3: Cross multiply
    49,698.34x = 74,548.12 × 14,638.70
  4. Step 4: Simplify right side
    49,698.34x = 1,091,287,564.24
  5. Step 5: Solve for x
    x = 1,091,287,564.24/49,698.34
  6. Step 6: Final answer
    x = 21,958.23

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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.