Home / 77,022.08-115,509.60-32,648

Finding the Fourth Proportional to 77,022.08, 115,509.60 and 32,648

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Solution

The fourth proportional to 77,022.08, 115,509.60 and 32,648 is: 48,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,022.08 : 115,509.60 = 32,648 : x
  2. Step 2: Convert to fraction form
    77,022.08/115,509.60 = 32,648/x
  3. Step 3: Cross multiply
    77,022.08x = 115,509.60 × 32,648
  4. Step 4: Simplify right side
    77,022.08x = 3,771,157,420.80
  5. Step 5: Solve for x
    x = 3,771,157,420.80/77,022.08
  6. Step 6: Final answer
    x = 48,962.03

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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.