Home / 47,289.96-70,840.44-40,977.36

Finding the Fourth Proportional to 47,289.96, 70,840.44 and 40,977.36

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Solution

The fourth proportional to 47,289.96, 70,840.44 and 40,977.36 is: 61,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.96 : 70,840.44 = 40,977.36 : x
  2. Step 2: Convert to fraction form
    47,289.96/70,840.44 = 40,977.36/x
  3. Step 3: Cross multiply
    47,289.96x = 70,840.44 × 40,977.36
  4. Step 4: Simplify right side
    47,289.96x = 2,902,854,212.44
  5. Step 5: Solve for x
    x = 2,902,854,212.44/47,289.96
  6. Step 6: Final answer
    x = 61,384.15

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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.