Home / 47,127.08-70,688.38-13,845.80

Finding the Fourth Proportional to 47,127.08, 70,688.38 and 13,845.80

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Solution

The fourth proportional to 47,127.08, 70,688.38 and 13,845.80 is: 20,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,127.08 : 70,688.38 = 13,845.80 : x
  2. Step 2: Convert to fraction form
    47,127.08/70,688.38 = 13,845.80/x
  3. Step 3: Cross multiply
    47,127.08x = 70,688.38 × 13,845.80
  4. Step 4: Simplify right side
    47,127.08x = 978,737,171.80
  5. Step 5: Solve for x
    x = 978,737,171.80/47,127.08
  6. Step 6: Final answer
    x = 20,768.04

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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.