Home / 47,698.04-71,548.41-12,637.70

Finding the Fourth Proportional to 47,698.04, 71,548.41 and 12,637.70

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Solution

The fourth proportional to 47,698.04, 71,548.41 and 12,637.70 is: 18,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,698.04 : 71,548.41 = 12,637.70 : x
  2. Step 2: Convert to fraction form
    47,698.04/71,548.41 = 12,637.70/x
  3. Step 3: Cross multiply
    47,698.04x = 71,548.41 × 12,637.70
  4. Step 4: Simplify right side
    47,698.04x = 904,206,983.31
  5. Step 5: Solve for x
    x = 904,206,983.31/47,698.04
  6. Step 6: Final answer
    x = 18,956.90

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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.